Directory
Gas transmission pipelines
Every gas transmission pipeline above Global Energy Monitor's size threshold, grouped by project: 3748 pipelines made up of 3748 tracked segments across 139 countries. 3748 have a route drawn on the map.
Pipelines
3,748
3748 tracked segments
Operating length
1,120,863 km
2697 pipelines operating
Under construction
66,344 km
234 pipelines building
Terminal connections
3,221
pipeline within 25 km of a terminal
Prefer a map? Open the world map to see these routes with the terminals they feed. Looking for one pipeline by name? Search covers every page on the site.
Showing 1801–2100 of 3748 pipelines, sorted by name. The filters below apply to this page.
| Countries | Segments | |||||
|---|---|---|---|---|---|---|
| Liaoning Gas Pipeline NetworkWafangdian First Station, Wangdian Village, Taiyang Street Office，Wafangdian → Xietun Station, Gaotun Village, Paoya Township, Wafangdian | China | Operating | 68 km | 0.82 bcm/y | 1 | 2018 |
| Liaoning Gas Pipeline NetworkQingdui Town → Panshan District | China | Operating | 25 km | 3.4 bcm/y | 1 | 2011 |
| Liaoning Gas Pipeline NetworkPanjin Station of Qinhuangdao-Shenyang Main Line → Shuang 6 Gathering-Injection Station | China | Operating | 28 km | 5.48 bcm/y | 1 | 2016 |
| Liaoning Gas Pipeline NetworkHuludao → Jinzhou gas field | China | Operating | 10 km | 0.75 bcm/y | 1 | 2011 |
| Liaoning Gas Pipeline NetworkJinzhou distribution station → Jinzhou Petrochemical | China | Operating | 31 km | 0.05 bcm/y | 1 | 2017 |
| Liepaja–Iecava Gas PipelineLiepaja → Iecava | Latvia | Operating | 207 km | Not reported | 1 | 2005 |
| Lindau-Daleu Gas PipelineLindau → Daleu | Austria, Switzerland | Operating | 67 km | Not reported | 1 | — |
| Line 1600 Gas Pipeline | United States | Operating | 81 km | 6.44 bcm/y | 1 | 1949 |
| Linhares-Governador Valadares Gas PipelineLinhares → Governador Valadares | Brazil | Proposed | 280 km | 2.56 bcm/y | 1 | — |
| Lithuania-Latvia Interconnection Gas PipelineVilnius → Riga | Lithuania, Latvia | Operating | 138 km | 2.3 bcm/y | 1 | 1962 |
| Liza Gas Pipeline | Guyana | Under construction | 225 km | 1.28 bcm/y | 1 | 2025 |
| Llandarcy-Bacton Gas PipelineLlandarcy → Bacton | United Kingdom | Retired | 462 km | Not reported | 1 | — |
| Loran-Manatee-Beachfield Gas PipelineLoran-Manatee field → Beachfield | Trinidad and Tobago, Venezuela | Proposed | 110 km | Not reported | 1 | 2027 |
| Los Ramones Gas PipelineCamargo → Los Ramones | Mexico | Operating | 116 km | 21.5 bcm/y | 1 | 2014 |
| Los Ramones Gas PipelineLos Ramones → Villa Hidalgo | Mexico | Operating | 452 km | 14.6 bcm/y | 1 | 2016 |
| Los Ramones Gas PipelineVilla Hidalgo → Aposeo El Alto | Mexico | Operating | 292 km | 14.5 bcm/y | 1 | 2016 |
| Los Ramones-Cempoala Gas PipelineLos Ramones → Cempoala | Mexico | Cancelled | 855 km | Not reported | 1 | 2024 |
| Louisiana Energy Access Project PipelineHaynesville → Gillis Hub | United States | Operating | 241 km | 10.2 bcm/y | 1 | 2020 |
| Louisiana Energy GatewayHaynesville → Transcontinental Gas Pipeline | United States | Under construction | 209 km | 18.4 bcm/y | 1 | 2025 |
| Louisiana Intrastate Gas (LIG) PipelineCotton Valley → New Orleans | United States | Operating | 3,219 km | 7.15 bcm/y | 1 | 1985 |
| Low Pressure Gujarat Gas Grid NetworkEklera → Hazira | India | Operating | 58 km | 4.38 bcm/y | 1 | 2000 |
| Lower Zakum–Das Island Gas PipelineZakum West Super Complex → Das Island | United Arab Emirates | Under construction | 85 km | 2.76 bcm/y | 1 | 2025 |
| Lozenets–Nedyalsko Loop Gas PipelineLozenets → Nedyalsko | Bulgaria | Operating | 20 km | 1.7 bcm/y | 1 | 2018 |
| Lucera-San Paolo Gas PipelineLucera → San Paolo | Italy | Under construction | 69 km | Not reported | 1 | 2025 |
| Lucko–Bosiljevo Gas PipelineLucko → Bosiljevo | Croatia | Operating | 65 km | Not reported | 1 | — |
| Luzhou-Zhaotong-Bijie-Baise pipelineSichuan → Guangxi | China | Proposed | 819 km | 10 bcm/y | 1 | — |
| Lwówek-Odlonów Gas Pipeline | Poland | Operating | 168 km | Not reported | 1 | 2019 |
| Lázaro Cárdenas-Acapulco Gas PipelineLazaro Cardenas → Acapulco | Mexico | Cancelled | 331 km | 1.02 bcm/y | 1 | — |
| MEGAL Gas PipelineWaidhaus → Medelsheim | Germany | Operating | 1,115 km | 22 bcm/y | 1 | 1980 |
| MEGAL–France Gas PipelineMedelsheim → Laneuvelotte | France, Germany | Operating | 86 km | Not reported | 1 | — |
| METG PipelineBergisch Gladbach → Gernsheim | Germany | Operating | 172 km | Not reported | 1 | 1968 |
| MGS III Gas PipelinesAl Madinah → Makkah | Saudi Arabia | Under construction | 192 km | Not reported | 1 | 2028 |
| MIDAL Gas PipelineBunde → Ludwigshafen am Rhein | Germany | Operating | 702 km | 12.8 bcm/y | 1 | 1993 |
| MP 59.91-Nandipur Power Plant Gas PipelineNandipur → Sheikhupura | Pakistan | Operating | 76 km | Not reported | 1 | — |
| Mackenzie Gas Pipeline ProjectInuvik Area Facility → Alberta | Canada | Cancelled | 1,220 km | 12.3 bcm/y | 1 | — |
| Madrakah–Al Hawiyah Gas PipelineMidrikah remote header B → Hawiyah Gas Plant | Saudi Arabia | Operating | 450 km | 2.96 bcm/y | 1 | 2024 |
| Madrid–Algete Gas PipelineMadrid → Algete | Spain | Operating | 44 km | Not reported | 1 | — |
| Maenza-Gallese Gas PipelineMaenza → Gallese | Italy | Operating | 127 km | Not reported | 1 | 1983 |
| Maenza–Melizzano Gas PipelineMaenza → Melizzano | Italy | Operating | 133 km | Not reported | 1 | 1982 |
| Maghreb-Europe Gas PipelineHassi R'Mel → Cordoba | Algeria, Morocco, Spain, Portugal | Operating | 1,350 km | 12 bcm/y | 1 | 1996 |
| Magnitogorsk-Ishimbay Gas PipelineMagnitogorsk → Republic of Bashkortostan | Russia | Operating | 209 km | Not reported | 1 | 1959 |
| Magnitogorsk-Sterlitamak Gas PipelineMagnitogorsk → Sterlitamak | Russia | Operating | 208 km | Not reported | 1 | 1967 |
| Magnolia Intrastate PipelineAlabama → Mississippi | United States | Operating | 190 km | 1.25 bcm/y | 1 | — |
| Mahalo Gas Hub PipelineMahalo North Gas Project → Rolleston Compressor Station | Australia | Proposed | 73 km | 0.25 bcm/y | 1 | — |
| Mahmoudiah PS Gas Pipeline | Egypt | Operating | 52 km | Not reported | 1 | 2017 |
| Mahmudiyah-Besmaya Gas PipelineMahmudiyah → Besmaya | Iraq | Under construction | 43 km | 8.18 bcm/y | 1 | — |
| Mahogany-Beachfield Gas PipelineMahogany field → Beachfield | Trinidad and Tobago | Operating | 101 km | Not reported | 1 | 1998 |
| Maida Saint Eufemia-Castrovillari Gas PIpelineSaint Eufemia → Castrovillari | Italy | Operating | 102 km | Not reported | 1 | 1981 |
| Maida-Martirano Gas PipelineMaida S Eufemia → Martirano | Italy | Operating | 34 km | Not reported | 1 | 1993 |
| MaidaSEufemia–Reggio Calabria Gas PipelinePalmi, Reggio Calabria → Maida S Eufemia | Italy | Operating | 96 km | Not reported | 1 | 1980 |
| Main Network | Belgium | Operating | 4,000 km | Not reported | 1 | — |
| Makat–North Caucasus Gas PipelineMakat → Chechen Republic | Kazakhstan, Russia | Operating | 944 km | 28 bcm/y | 1 | 1987 |
| Makat–North Caucasus PipelineKS Makat → KS Redut | Kazakhstan | Operating | 130 km | 13.2 bcm/y | 1 | 2023 |
| Malampaya Gas Pipeline | Philippines | Operating | 504 km | 4.6 bcm/y | 1 | 2002 |
| Malborghetto-Camisano Gas PipelineMalborghetto → Camisano | Italy | Operating | 163 km | Not reported | 1 | 1973 |
| Malborghetto-Flaibano Gas PipelineMalborghetto → Flaibano | Italy | Operating | 77 km | Not reported | 1 | 2002 |
| Malborghetto-Flaibano Gas PipelineBordano → Flaibano | Italy | Operating | 38 km | Not reported | 1 | 2026 |
| Malesovice–Brodské Gas PipelineMalesovice → Brodske | Czechia | Operating | 54 km | Not reported | 1 | — |
| Malesovice–Oslavou Gas PipelineMalesovice → Oslavou | Czechia | Operating | 33 km | Not reported | 1 | — |
| Mallavaram-Bhopal-Bhilwara-Vijaipur Gas PipelineKunchanapalli → Ramagundam | India | Operating | 365 km | 28.6 bcm/y | 1 | 2021 |
| Mallavaram-Bhopal-Bhilwara-Vijaipur Gas PipelineMallavaram → Rajasthan | India | Under construction | 1,517 km | 28.6 bcm/y | 1 | 2024 |
| Malmoe–Stenungsund Gas PipelineMalmoe → Stenungsund | Sweden | Operating | 600 km | Not reported | 1 | — |
| Malmoe–Trelleborg Gas PipelineMalmoe → Trelleborg | Sweden | Operating | 27 km | Not reported | 1 | — |
| Malta-Italy Gas PipelineDelimara → Gela | Italy, Malta | Proposed | 159 km | 1.2 bcm/y | 1 | 2030 |
| Manavgat-Alanya-Gazipaşa-Anamur Gas PipelineManavgat → Anamur | Türkiye | Under construction | 158 km | Not reported | 1 | — |
| Manjiwala-Pezu Gas PipelineKala Manjiwala → Pezu | Pakistan | Operating | 53 km | Not reported | 1 | — |
| Mannovka-Ust-Luga Gas PipelineMannovka → Ust-Luga | Russia | Proposed | 21 km | 0.74 bcm/y | 1 | — |
| Mantsala–Hameenlinna Gas PipelineMantsala → Hameenlinna | Finland | Operating | 57 km | Not reported | 1 | — |
| Mantsala–Helsinki Gas PipelineMantsala → Helsinki | Finland | Operating | 60 km | Not reported | 1 | — |
| Mantsala–Kyroskoski Gas PipelineMantsala → Kyroskoski | Finland | Operating | 201 km | Not reported | 1 | — |
| Many Islands Pipelines | Canada | Operating | 476 km | Not reported | 1 | 1966 |
| Marbeck-Heiden-DorstenHeiden → Dorsten | Germany | Proposed | 17 km | Not reported | 1 | 2026 |
| Mardan-Swat Gas PipelineNowshera → Swat | Pakistan | Operating | 105 km | Not reported | 1 | — |
| Margham–Jebel Ali gas PipelineMargham gas field → Jebel Ali | United Arab Emirates | Operating | 75 km | Not reported | 1 | — |
| Maritimes and Northeast Gas PipelineGoldboro → Dracut | Canada, United States | Operating | 1,432 km | 8.48 bcm/y | 1 | 1999 |
| Marjan GOSP-4 Gas PipelineMarjan GOSP-4 → Tanajib Gas Plant | Saudi Arabia | Operating | 531 km | 0.01 bcm/y | 1 | 2024 |
| Marquette Connector PipelineArnold → Negaunee | United States | Operating | 68 km | 1.47 bcm/y | 1 | 2019 |
| Martorell–Figueres Gas PipelineBarcelona → Girona | Spain | Operating | 94 km | Not reported | 1 | 2012 |
| Masera–Mortara Gas PipelineMortara → Masera | Italy | Operating | 125 km | Not reported | 1 | 1972 |
| Masrab-Gialo Gas PipelineMasrab field → Gialo field | Libya | Operating | 31 km | Not reported | 1 | — |
| Matagiola-Massafra Gas PipelineMassafra → Brindisi | Italy | Proposed | 40 km | 3.61 bcm/y | 1 | 2030 |
| Matola Gas Company PipelineRessano Garcia → Maputo | Mozambique | Operating | 100 km | 0.21 bcm/y | 1 | 2012 |
| Matsumoto Gas PipelineChino City → Matsumoto | Japan | Operating | 102 km | Not reported | 1 | 2002 |
| Matterhorn Express Gas PipelineWaha → Texas | United States | Operating | 933 km | 25.6 bcm/y | 1 | 2024 |
| Matterhorn Express Gas PipelineTexas → Texas | United States | Proposed | 311 km | 35.8 bcm/y | 1 | 2026 |
| Maui PipelineNew Plymouth → Huntly | New Zealand | Operating | 307 km | 3.44 bcm/y | 1 | 1979 |
| Maykop-Nevinnomyssk Gas PipelineReublic of Adygea → Nevinomyssk | Russia | Operating | 155 km | 2.5 bcm/y | 1 | 1964 |
| Maykop-Samur-Sochi PipelineMaykop → Sochi | Russia | Operating | 186 km | 2 bcm/y | 1 | 1975 |
| Mayo - Galway Gas PipelineBellanaboy → Craughwell | Ireland | Operating | 149 km | Not reported | 1 | 2006 |
| Mayo - Galway Gas Pipeline | Ireland | Operating | 79 km | Not reported | 1 | — |
| Mazara Del Vallo-Sciacca Gas PipelineMazara Del Vallo → Sciacca | Italy | Operating | 50 km | Not reported | 1 | 1980 |
| Mazara del Vallo-Gagliano Gas PipelineMazara del Vallo → Gagliano | Italy | Operating | 224 km | Not reported | 1 | 1980 |
| Mazara del Vallo-Menfi Gas PipelineMazara del Vallo → Menfi | Italy | Operating | 43 km | Not reported | 1 | 2008 |
| Medanito-Mainqué Gas PipelineMedanito → Mainqué | Argentina | Operating | 135 km | Not reported | 1 | 1969 |
| Medgaz Gas PipelineMocta Douz → Beni Saf | Algeria | Operating | 120 km | Not reported | 1 | 2010 |
| Medgaz Gas PipelineHassi R'Mel → Andalucía | Algeria, Spain | Operating | 210 km | 8 bcm/y | 1 | 2011 |
| Medgaz Gas Pipeline | Algeria | Operating | 845 km | Not reported | 1 | — |
| Mediesu Aurit–Khust Gas PipelineMediesu Aurit → Khust | Romania | Operating | 45 km | Not reported | 1 | — |
| Medjedel-Bordj Ménail Gas PipelineMedjedel → Boumerdès | Algeria | Operating | 208 km | 11.3 bcm/y | 1 | 2020 |
| Medvezhye-Nadym Gas PipelineMedvezhye Gas Field → Nadym | Russia | Operating | 118 km | 28 bcm/y | 1 | 1972 |
| Medvezhye-Nadym Gas PipelineMedvezhye Gas Field → Nadym | Russia | Operating | 115 km | Not reported | 1 | 1975 |
| Megalopoli-Patras Gas PipelineMegalopoli → Patras | Greece | Proposed | 145 km | Not reported | 1 | 2027 |
| Mehsana-Bhatinda Gas PipelineMehsana → Bhatinda | India | Operating | 1,177 km | 29.2 bcm/y | 1 | 2022 |
| Mehsana-Bhatinda Gas PipelineMehsana → Bhatinda | India | Under construction | 763 km | 29.2 bcm/y | 1 | — |
| Melizzano-Castrovillari Gas PipelineCastrovillari → Melizzano | Italy | Operating | 286 km | Not reported | 1 | 1981 |
| Melizzano-Vastogirardi Gas PipelineMelizzano → Vastogirardi | Italy | Operating | 89 km | Not reported | 1 | 1993 |
| Melizzano-Vastogirardi Gas PipelineMelizzano → Vastogirardi | Italy | Operating | 89 km | Not reported | 1 | 1993 |
| Melizzano–Benevento Gas PipelineBenevento → Melizzano | Italy | Operating | 37 km | Not reported | 1 | 1968 |
| Mellitah-Gábes PipelineMellitah → Gábes | Libya, Tunisia | Cancelled | 275 km | 1.98 bcm/y | 1 | — |
| Mercedes-Cardales Gas PipelineBuenos Aires → Cardales | Argentina | Operating | 73 km | 5.48 bcm/y | 1 | 2023 |
| Merrick Mainline PipelineGroundbirch → Summit Lake | Canada | Cancelled | 260 km | 20.4 bcm/y | 1 | 2020 |
| Messina–Montalbano Gas PipelineMontalbano → Messina | Italy | Operating | 77 km | Not reported | 1 | 1996 |
| Messla-Sarir C Gas PipelineMessla field → Sarir C field | Libya | Operating | 27 km | Not reported | 1 | — |
| Messoyakha-Norilsk PipelineMessoyakha Gas Field → Norilsk | Russia | Retired | 263 km | Not reported | 1 | 1969 |
| Messoyakha-Norilsk PipelineMessoyakha Gas Field → Norilsk | Russia | Operating | 263 km | Not reported | 1 | 1973 |
| Messoyakha-Norilsk PipelineMessoyakha Gas Field → Norilsk | Russia | Operating | 263 km | Not reported | 1 | 1981 |
| Messoyakha-Norilsk PipelineMessoyakha Gas Field → Norilsk | Russia | Operating | 263 km | Not reported | 1 | 1991 |
| Methanization of Sardinia ProjectCagliari → Olbia | Italy | Proposed | 420 km | 1.68 bcm/y | 1 | 2027 |
| Mexico-Northern Central America Gas Pipeline | Mexico, Guatemala, El Salvador, Honduras | Shelved | 600 km | Not reported | 1 | 2029 |
| Mian Channu-Hasilpur Gas PipelineMian Channu → Hasilpur | Pakistan | Operating | 84 km | Not reported | 1 | — |
| Mid West PipelineGeraldton → Mount Magnet | Australia | Operating | 353 km | 0.19 bcm/y | 1 | 1999 |
| Midcontinent Express Gas PipelineBennington → Butler | United States | Operating | 816 km | 15.7 bcm/y | 1 | 2009 |
| Midi-Catalonia Pipeline | Spain, France | Cancelled | 1,250 km | 7.5 bcm/y | 1 | 2022 |
| Midi-Catalonia PipelineHostalric → Bairba | Spain, France | Cancelled | 227 km | Not reported | 1 | 2024 |
| Midia Gas Pipeline | Romania | Operating | 126 km | 1 bcm/y | 1 | 2022 |
| Midla Natchez PipelineWinnsboro → Natchez | United States | Operating | 84 km | 0.49 bcm/y | 1 | 2017 |
| Midship PipelineOklahoma → Bennington | United States | Operating | 375 km | 11.2 bcm/y | 1 | 2020 |
| Midwestern Gas TransmissionPortland → Joliet | United States | Operating | 589 km | 6.64 bcm/y | 1 | 1951 |
| Mie-Shiga Gas PipelineYokkaichi → Taga | Japan | Operating | 60 km | Not reported | 1 | 2014 |
| Mier Monterrey Gas PipelineStarr County → Monterrey | United States, Mexico | Operating | 145 km | 6.54 bcm/y | 1 | 2003 |
| Millennium Gas PipelineLake Erie → Mount Vernon | United States | Operating | 293 km | 5.11 bcm/y | 1 | 2008 |
| Minamifuji Gas PipelineFuji → Gotemba | Japan | Operating | 31 km | Not reported | 1 | 2006 |
| Minell PipelineMoosomin → Russell | Canada | Operating | 70 km | Not reported | 1 | 1965 |
| Minerbio-Castelbolognese Gas PipelineMinerbio → Castelbolognese | Italy | Operating | 44 km | Not reported | 1 | 1993 |
| Minerbio-Zimella Gas PipelineMinerbio → Zimella | Italy | Operating | 86 km | Not reported | 1 | 1980 |
| Minerbio–Parma Gas PipelineParma → Minerbio | Italy | Operating | 39 km | Not reported | 1 | 1992 |
| Minerbio–Parma Gas PipelineCastelfranco → Parma | Italy | Operating | 81 km | Not reported | 1 | 1994 |
| Minerbio–Ravenna Terra Gas PipelineRavenna Terra → Minerbio | Italy | Operating | 59 km | Not reported | 1 | 1969 |
| Mineros-San Ramón Gas PipelineMineros → San Ramón | Bolivia | Operating | 99 km | 0.02 bcm/y | 1 | 1997 |
| Minnibaevo-Kazan Gas PipelineMinnibaevo → Kazan | Russia | Operating | 285 km | 5.25 bcm/y | 1 | 1954 |
| Minnibaevo-Kazan Gas PipelineMinnibaevo → Republic of Tatarstan | Russia | Operating | 285 km | 5.25 bcm/y | 1 | 1963 |
| Minnibayevo-Izhevsk Gas PipelineMinnibaevo → Izhevsk | Russia | Operating | 249 km | Not reported | 1 | 1965 |
| Minsk-Kaliningrad Interconnection Gas PipelineMinsk → Kaliningrad Oblast | Belarus, Lithuania, Russia | Operating | 155 km | 15 bcm/y | 1 | 1985 |
| Mira–Campagna Lupia Gas PipelineCampagna Lupia → Mira | Italy | Operating | 14 km | Not reported | 1 | 1992 |
| Mishkino-Yurgamysh-Kurgan Gas PipelineMishkino → Kurgan | Russia | Operating | 84 km | Not reported | 1 | 2016 |
| Mishkino-Yurgamysh-Kurgan Gas PipelineYurgamysh → Kurtamysh | Russia | Operating | 54 km | Not reported | 1 | 2022 |
| Mishraq Cross Road-Mousil PWR ST Gas PipelineMosul → Mosul | Iraq | Operating | 61 km | Not reported | 1 | — |
| Mississippi Canyon Gas PipelineMississippi Canyon → Louisiana | United States | Operating | 72 km | 8.18 bcm/y | 1 | 1996 |
| Mississippi Crossing ProjectGreenville → Butler | United States | Proposed | 335 km | 21.5 bcm/y | 1 | 2028 |
| Mississippi River TransmissionTexas → Illinois | United States | Operating | 2,574 km | 19.4 bcm/y | 1 | — |
| Mit Nama-Abu sultan P S Gas PipelineMit Nama → Ismalia | Egypt | Operating | 114 km | Not reported | 1 | — |
| Mittelbrunn MEGAL–Remich Gas PipelineMittelbrunn MEGAL → Remich | Germany | Operating | 65 km | Not reported | 1 | — |
| MoGas PipelineFort Leonard Wood → Alton | United States | Operating | 423 km | Not reported | 1 | 2008 |
| Moheshkhali Zero Point-CTMS Gas PipelineMoheshkhali → Moheshkhali | Bangladesh | Operating | 7 km | 12.3 bcm/y | 1 | 2021 |
| Moheshkhali-Anwara Gas Transmission PipelineMoheshkhali → Anowara | Bangladesh | Operating | 91 km | 5.11 bcm/y | 1 | 2017 |
| Moheshkhali-Anwara Parallel Gas PipelineMoheshkhali → Anwara | Bangladesh | Operating | 79 km | 12.3 bcm/y | 1 | 2021 |
| Mojave Gas PipelineTopock → Kern County | United States | Operating | 805 km | 4.09 bcm/y | 1 | 1991 |
| Mokrous-Samara-Tolyatti Gas PipelineMokrous → Tolyatti | Russia | Operating | 412 km | Not reported | 1 | 1968 |
| Moliterno–Montesano Sulla Marcellana Gas PipelineMontesano → Moliterno | Italy | Operating | 5.1 km | Not reported | 1 | — |
| Monaco Gas PipelineBurghausen → Finsing | Germany | Operating | 87 km | Not reported | 1 | 2019 |
| Monohardi-Dhanua Elenga Gas PipelineMonohardi → Dhanua | Bangladesh | Operating | 51 km | 4.09 bcm/y | 1 | 2014 |
| Monohardi-Narshingdi Gas Pipeline | Bangladesh | Operating | 25 km | 3.07 bcm/y | 1 | 2009 |
| Montalbano-Messina Gas PipelineMontalbano → Messina | Italy | Operating | 79 km | Not reported | 1 | 1996 |
| Montalbano–Bronte Gas PipelineMontalbano → Bronte | Italy | Operating | 60 km | Not reported | 1 | 1995 |
| Montesano-Buccino Gas PipelineMontesano → Buccino | Italy | Operating | 57 km | Not reported | 1 | 1993 |
| Montour Lateral PipelinePennsylvania → Pennsylvania | United States | Cancelled | 24 km | Not reported | 1 | — |
| Moomba Adelaide Pipeline SystemMoomba → Adelaide, Whyalla | Australia | Operating | 1,184 km | 2.42 bcm/y | 1 | 1969 |
| Moomba Sydney Pipeline SystemMoomba → Sydney, Newcastle, Wollongong, Canberra | Australia | Operating | 1,300 km | 4.48 bcm/y | 1 | 1976 |
| Moomba Sydney Pipeline System | Australia | Operating | 58 km | 4.48 bcm/y | 1 | — |
| Moomba Sydney Pipeline System | Australia | Operating | 245 km | 0.25 bcm/y | 1 | — |
| Moomba Sydney Pipeline System | Australia | Operating | 131 km | 2.24 bcm/y | 1 | — |
| Moomba Sydney Pipeline System | Australia | Operating | 179 km | 0.13 bcm/y | 1 | — |
| Moomba Sydney Pipeline System | Australia | Operating | 88 km | 2.24 bcm/y | 1 | — |
| Moranbah to Denison Trough North Gas PipelineMoranbah → Denison Trough North | Australia | Cancelled | 200 km | Not reported | 1 | — |
| Morano–Tarsia Gas PipelineTarsia → Morano | Italy | Operating | 42 km | Not reported | 1 | 2008 |
| Morelmaison-Rodersdorf Gas PipelineMorelmaison → Rodersdorf | France, Switzerland | Operating | 162 km | Not reported | 1 | 1998 |
| Morelmaison–Voisines Gas PipelineVoisines → Morelmaison | France | Operating | 169 km | Not reported | 1 | — |
| Morelos Gas PipelineTlaxco → Huexca | Mexico | Operating | 172 km | 3.44 bcm/y | 1 | 2016 |
| Mortara–Alessandria Gas PipelineAlessandria → Mortara | Italy | Operating | 44 km | Not reported | 1 | 2008 |
| Mortlake Gas PipelinePort Campbell → Mortlake | Australia | Operating | 83 km | 4.01 bcm/y | 1 | 2011 |
| Mostorud Industrial Area (I.A.) Gas PipelineMostorud → Al-Qalyubia | Egypt | Operating | 25 km | Not reported | 1 | — |
| Mountain Valley Gas Pipeline (MVP)Wetzel County → Pittsylvania County | United States | Operating | 488 km | 20.4 bcm/y | 1 | 2024 |
| Mountain Valley Gas Pipeline (MVP)Chatham → Eden | United States | Proposed | 50 km | 5.62 bcm/y | 1 | 2028 |
| MountainWest Gas Pipeline | United States | Operating | 3,006 km | 26.6 bcm/y | 1 | — |
| MountainWest Gas PipelineWyoming → Wyoming | United States | Operating | 420 km | 28.6 bcm/y | 1 | — |
| Mountaineer Gas PipelineBerkley → Martinsburg | United States | Operating | 44 km | Not reported | 1 | 2019 |
| Mountaineer Gas PipelineMaryland, Pennsylvania → Berkeley Springs | United States | Operating | 5.5 km | 48.5 bcm/y | 1 | 2025 |
| Mountaineer Gas PipelineCharlestown → Charlestown | United States | Operating | 39 km | Not reported | 1 | 2019 |
| Mountaineer XPress Gas PipelineWest Virginia → West Virginia | United States | Operating | 275 km | 27.6 bcm/y | 1 | 2019 |
| Mozambique-South Africa Gas Pipeline | Mozambique, South Africa | Operating | 865 km | 5.52 bcm/y | 1 | 2004 |
| Mozdok-Nevinnomyssk Gas PipelineRepublic of North Ossetia-Alania → Nevinomyssk | Russia | Operating | 257 km | Not reported | 1 | — |
| Mtwara–Dar es Salaam Gas PipelineMadimba Village → Dar es Salaam | Tanzania | Operating | 535 km | 8.1 bcm/y | 1 | 2015 |
| Muara Karang-Muara Tawar Gas PipelineJakarta → West Java | Indonesia | Operating | 30 km | 2.76 bcm/y | 1 | 2016 |
| Mubarek-Kagan Gas PipelineMubarek → Kagan | Uzbekistan | Operating | 100 km | Not reported | 1 | — |
| Mubarek-Kagan Gas PipelineMubarek → Kagan | Uzbekistan | Operating | 99 km | Not reported | 1 | — |
| Mumbai Regional Natural Gas Pipeline NetworkUran → Trombay | India | Operating | 129 km | 2.57 bcm/y | 1 | — |
| Mumbai-Nagpur-Jharsuguda Gas PipelineMumbai → Jharsuguda | India | Operating | 1,755 km | 6.02 bcm/y | 1 | 2025 |
| Mumbai-Uran Trunk Line (MUT)Offshore India → Uran | India | Operating | 204 km | 4.47 bcm/y | 1 | 2005 |
| Murati-Silivri PipelineMurati → Silivri | Estonia, Türkiye | Operating | 182 km | Not reported | 1 | — |
| Murayrat-Al Ghubrah Gas PipelineMurayrat → Al Ghubrah Power and Desalination Plant | Oman | Operating | 30 km | Not reported | 1 | 2010 |
| Murayrat-Barka Gas PipelineMurayrat → Barka | Oman | Operating | 40 km | Not reported | 1 | 2009 |
| Murayrat-Mina Al Fahal Gas PipelineMurayrat → Mina Al Fahal | Oman | Operating | 40 km | Not reported | 1 | 2006 |
| Murdoch Field–Theddlethorpe Gas PipelineNorth Sea → Theddlethorpe | United Kingdom | Retired | 180 km | Not reported | 1 | 1993 |
| Murmansk-Volkhov Gas PipelineBelokamenka → Volkhov | Russia | Proposed | 800 km | 41.2 bcm/y | 1 | 2028 |
| Muscar-Soto Gas PipelineMuscar → Maremare | Venezuela | Operating | 129 km | 8.27 bcm/y | 1 | — |
| Muskogee PipelineOklahoma → Muskogee | United States | Cancelled | 109 km | 2.33 bcm/y | 1 | 2019 |
| Mustang Express Pipeline | United States | Proposed | 286 km | Not reported | 1 | — |
| Mustang Express Pipeline | United States | Proposed | 89 km | Not reported | 1 | — |
| Mustang Express Pipeline | United States | Proposed | 4.8 km | Not reported | 1 | — |
| Myldzhino-Vertikos Gas PipelineMyldzhino → Vertikos | Russia | Operating | 110 km | 2 bcm/y | 1 | — |
| Mymensingh-Netrokona Gas Pipeline | Bangladesh | Operating | 40 km | 0.61 bcm/y | 1 | 1993 |
| N2-Sahiwal RLNG PipelineMian Channu → Sahiwal | Pakistan | Operating | 77 km | Not reported | 1 | — |
| NCMA Development Gas PipelineHibiscus Field → Atlantic LNG Terminal | Trinidad and Tobago | Operating | 107 km | 5.31 bcm/y | 1 | 2001 |
| NEL Gas PipelineLubmin → Rehden | Germany | Operating | 440 km | 20 bcm/y | 1 | 2012 |
| NET Mexico Gas PipelineNueces County → Rio Grande City | United States | Operating | 200 km | 21.5 bcm/y | 1 | 2014 |
| NETG PipelineElten → Bergisch Gladbach | Germany | Operating | 135 km | Not reported | 1 | 1967 |
| NETRA Gas PipelineDornum → Steinitz | Germany | Operating | 408 km | 21.4 bcm/y | 1 | 1995 |
| NEXUS Gas Transmission (NGT) PipelineKensington → Willow Run | United States | Operating | 410 km | 15.3 bcm/y | 1 | 2018 |
| NSW Gas NetworkWilton → New South Wales | Australia | Operating | 239 km | Not reported | 1 | — |
| NSW Gas NetworkWilton → New South Wales | Australia | Operating | 421 km | Not reported | 1 | — |
| NTS Gas Pipeline NetworkPaulínia → Japeri | Brazil | Operating | 456 km | 6.79 bcm/y | 1 | 2008 |
| NTS Gas Pipeline NetworkDuque de Caxias → Betim | Brazil | Operating | 357 km | 1.28 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkVolta Redonda → Queluzito | Brazil | Operating | 271 km | 1.83 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkPiraí → Mauá | Brazil | Operating | 328 km | 3.47 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkGuararema → Mauá | Brazil | Operating | 55 km | 4.38 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkCabiúnas → Duque de Caxias | Brazil | Operating | 180 km | 14.6 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkCaraguatatuba → Taubaté | Brazil | Operating | 99 km | 7.3 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkDuque de Caxias → Volta Redonda | Brazil | Operating | 95 km | 1.83 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkPaulínia → Jacutinga | Brazil | Operating | 94 km | 1.83 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkJaperi → Duque de Caxias | Brazil | Operating | 46 km | 9.13 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkCapuava → Cubatão | Brazil | Operating | 42 km | 1.53 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkMauá → São Bernardo do Campo | Brazil | Operating | 39 km | 4.38 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkItaboraí → Guapimirim | Brazil | Operating | 11 km | 6.57 bcm/y | 1 | 2023 |
| NYMarc Gas Pipeline ProjectWantage, Sussex County → Pleasant Valley | United States | Cancelled | 106 km | Not reported | 1 | — |
| NaTran Gas Pipeline NetworkCuvilly → Haute Marne | France | Operating | 308 km | 15 bcm/y | 1 | 2015 |
| NaTran Gas Pipeline NetworkLoon-Plage → Oise | France | Operating | 191 km | 13 bcm/y | 1 | 2014 |
| NaTran Gas Pipeline Network | France | Operating | 29,574 km | Not reported | 1 | — |
| NaTran Gas Pipeline NetworkMontoir LNG Terminal → Cherré | France | Proposed | 200 km | Not reported | 1 | 2017 |
| NaTran Gas Pipeline NetworkCherré → Saint-Arnould De Bois | France | Proposed | 63 km | Not reported | 1 | 2024 |
| Nabucco Gas PipelineAhiboz, Gölbaşı → Baumgarten an der March | Türkiye, Bulgaria, Romania, Austria, Hungary | Cancelled | 3,893 km | 31 bcm/y | 1 | — |
| Naco-Hermosillo Gas PipelineNaco → Hermosillo | Mexico | Operating | 340 km | 0.92 bcm/y | 1 | 1984 |
| Nadym-Punga Gas PipelineNadym → Punga | Russia | Operating | 696 km | 14 bcm/y | 1 | 1972 |
| Nadym-Punga Gas PipelineNadym → Punga | Russia | Operating | 605 km | 14 bcm/y | 1 | 1974 |
| Nadym-Punga Gas PipelineNadym → Punga | Russia | Operating | 566 km | 30 bcm/y | 1 | 1975 |
| Nadym-Punga Gas PipelineNadym → Punga | Russia | Operating | 595 km | 30 bcm/y | 1 | 1977 |
| Nadym-Punga Gas PipelineNadym → Punga | Russia | Operating | 571 km | 30 bcm/y | 1 | 1981 |
| Naft Khana-Baghdad Gas PipelineNaft Khana → Baghdad | Iraq | Operating | 117 km | 3.58 bcm/y | 1 | — |
| Nagaoka PipelineNagaoka City → Joetsu City | Japan | Operating | 68 km | Not reported | 1 | 1961 |
| Nagasaki Gas PipelineOe Town → Miharacho | Japan | Operating | 12 km | Not reported | 1 | 2002 |
| Nagrak - Bitung Gas PipelineNagrak → Bogor | Indonesia | Operating | 51 km | 2.76 bcm/y | 1 | — |
| Naiyp-Deryalyk Gas PipelineNaiyp → Deryalyk | Turkmenistan | Operating | 942 km | Not reported | 1 | — |
| Najaf Cement Factory Gas PipelineNajaf → Al-Ashraf Najaf Cement Factory. | Iraq | Operating | 1.2 km | Not reported | 1 | 2024 |
| Nakhon Ratchasima Gas PipelineKaeng Kho → Nakhon Ratchasima | Thailand | Operating | 145 km | Not reported | 1 | 2018 |
| Nakhon Sawan Gas PipelineWang Noi → Nakhon Sawan | Thailand | Operating | 192 km | Not reported | 1 | 2015 |
| Nalka-Baghabari Gas PipelineNalka → Baghabari | Bangladesh | Operating | 36 km | 2.56 bcm/y | 1 | 2000 |
| Nalka-Hatikumrul Gas PipelineNalka → Hatikumrul | Bangladesh | Operating | 6 km | 4.09 bcm/y | 1 | 2006 |
| Nam Con Son 2 Gas Pipeline | Vietnam | Operating | 141 km | 6.72 bcm/y | 1 | 2015 |
| Nam Con Son 2 Gas Pipeline | Vietnam | Operating | 142 km | Not reported | 1 | 2022 |
| Nam Con Son Gas Pipeline | Vietnam | Operating | 370 km | 7 bcm/y | 1 | 2002 |
| Nam Phong Field-Nam Phong Power Plant Gas PipelineKhon Kaen → Khon Kaen | Thailand | Operating | 3 km | 1.43 bcm/y | 1 | 1990 |
| Nanning-Pingxiang gas pipelineMu Village, Jiangxi Town, Jiangnan District → Busong Village, Jiangzhou Town, Jiangzhou District | China | Operating | 125 km | 0.7 bcm/y | 1 | 2025 |
| Nanning-Pingxiang gas pipelineGuangxi → Guangxi | China | Proposed | 100 km | 0.5 bcm/y | 1 | — |
| Nanohana Gas PipelineFuttsu → Ichihara | Japan | Operating | 31 km | Not reported | 1 | 2022 |
| Naoetsu Gas PipelineYachiho → Tomioka | Japan | Operating | 9 km | Not reported | 1 | 2013 |
| Narrabri to Wellington PipelineNarrabi → Wellington | Australia | Cancelled | 83 km | 1.94 bcm/y | 1 | — |
| Narshingdi-Ghorasal Gas Pipeline | Bangladesh | Operating | 10 km | 2.25 bcm/y | 1 | 1999 |
| Narshingdi-Joydevpur Gas Pipeline | Bangladesh | Operating | 38 km | 2.25 bcm/y | 1 | 1985 |
| Naruto PipelineSanmu city (山武市) → Hiba City | Japan | Operating | 26 km | Not reported | 1 | 1965 |
| Nasser-Brega Gas Pipeline | Libya | Operating | 172 km | 14.9 bcm/y | 1 | — |
| National Fuel Gas Supply Corporation Gas PipelinePennsylvania → Pennsylvania | United States | Operating | 50 km | 3.37 bcm/y | 1 | 2022 |
| National Fuel Gas Supply Corporation Gas Pipeline | United States | Operating | 2,897 km | 45 bcm/y | 1 | — |
| National Fuel Gas Supply Corporation Gas PipelinePennsylvania → Pennsylvania | United States | Proposed | 38 km | 1.94 bcm/y | 1 | 2026 |
| National Transmission System | United Kingdom | Operating | 7,650 km | Not reported | 1 | 1963 |
| Natuna D Alpha-Batam-Duri Gas PipelineSouth China Sea → Duri | Indonesia | Cancelled | 740 km | 10.2 bcm/y | 1 | — |
| Natuna-West Kalimantan Gas Pipeline | Indonesia | Proposed | 687 km | Not reported | 1 | — |
| Natural Gas Pipeline Company of America SystemTexas Permian Basin, Gulf of Mexico → Chicago | United States | Operating | 14,645 km | 16.4 bcm/y | 1 | 1931 |
| Nautilus Gas PipelineShip Shoal Block 207, Green Canyon Corridor → Neptune Gas Processing Plant, St. Mary's Parish | United States | Operating | 154 km | 6.13 bcm/y | 1 | 1997 |
| Nawabshah-Karachi Gas PipelineNawabshah → Karachi | Pakistan | Operating | 290 km | 0.82 bcm/y | 1 | — |
| Neckarenztal Gas PipelineWiernsheim → Lochgau | Germany | Operating | 28 km | Not reported | 1 | 2023 |
| Neerabup Pipeline | Australia | Operating | 30 km | Not reported | 1 | — |
| Neft Dashlary-Bahar Gas PipelineNeft Dashlary → Bahar Oil and Gas Field | Azerbaijan | Operating | 67 km | 5.5 bcm/y | 1 | 2007 |
| Negotino-Bitola Gas PipelineNegotino → Bitola | North Macedonia | Operating | 92 km | Not reported | 1 | 2022 |
| Nemesbikk–Budapest Gas PipelineNemesbikk → Budapest | Hungary | Operating | 139 km | Not reported | 1 | — |
| Neu Brandenberg-Rostock Gas PipelineNeu Brandenberg → Rostock | Germany | Operating | 141 km | Not reported | 1 | — |
| Neuba I Gas PipelineSierra Barrosa → Ezeiza | Argentina | Operating | 1,267 km | 4.75 bcm/y | 1 | 1970 |
| Neuba II Gas PipelineLa Yegua → Las Heras | Argentina | Operating | 1,958 km | 10.9 bcm/y | 1 | 1988 |
| Neuba II Gas PipelineBuenos Aires → Carlos Casares | Argentina | Operating | 38 km | 1.83 bcm/y | 1 | 2023 |
| New Administration Capital PS Gas PipelineAin Sokhna → Cairo | Egypt | Operating | 65 km | Not reported | 1 | — |
| New Administrative Capital–Dahshur Gas PipelineNew Administrative Capital → Giza | Egypt | Operating | 70 km | Not reported | 1 | 2017 |
| New Administrative Capital–Dahshur Gas PipelineDahshour → Cairo | Egypt | Under construction | 67 km | Not reported | 1 | — |
| New Fayoum Gas PipelineNew Fayoum City → Fayoum | Egypt | Under construction | 19 km | Not reported | 1 | — |
| New Generation Gas Gathering (NG3) ProjectLouisiana → Gillis | United States | Operating | 443 km | 17.4 bcm/y | 1 | 2025 |
| Nigeria-Morocco Gas PipelineLagos → Tangiers | Nigeria, Benin, Togo, Ghana, Côte d'Ivoire, Liberia, Sierra Leone, Guinea, Guinea-Bissau, Gambia, Senegal, Mauritania, Morocco, Spain | Proposed | 5,660 km | 30 bcm/y | 1 | 2046 |
| Nigeria–Libya Gas Pipeline | Nigeria, Niger, Libya | Proposed | 3,188 km | Not reported | 1 | — |
| Nihongi PipelineKubiki → Nakago | Japan | Operating | 36 km | Not reported | 1 | 1959 |
| Niigata PipelineNagaoka city (長岡市) → Niigata city (新潟市 ) | Japan | Operating | 65 km | Not reported | 1 | 1961 |
| Niigata-Sendai Gas PipelineSeiro → Sendai | Japan | Operating | 261 km | 1.64 bcm/y | 1 | 1996 |
| Nimr-Marmul Gas PipelineNimr Gas Compressor Station → Marmul | Oman | Operating | 85 km | Not reported | 1 | 2017 |
| Ningxia Gas Pipeline NetworkHangjinqi → Yinchuan | China | Operating | 282 km | 2.5 bcm/y | 1 | 2019 |
| Ningxia Gas Pipeline NetworkNingxia → Ningxia | China | Under construction | 83 km | 1.6 bcm/y | 1 | — |
Length is GEM's reported figure where given. When every segment of a project repeats the same figure it is counted once, not summed; see methodology.