Directory
Gas transmission pipelines
Every gas transmission pipeline above Global Energy Monitor's size threshold, grouped by project: 4246 pipelines made up of 4246 tracked segments across 139 countries. 3921 have a route drawn on the map.
Pipelines
4,246
4246 tracked segments
Operating length
1,173,317 km
2975 pipelines operating
Under construction
77,835 km
282 pipelines building
Terminal connections
5,307
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? Use the box below; the site search covers everything else.
Search by name, country or route, for example Nord Stream or Algeria Italy.
Showing 2101–2400 of 4246 pipelines, sorted by name. The filters below apply to this page.
| Countries | Segments | |||||
|---|---|---|---|---|---|---|
| Main Network | Belgium | Operating | 4,000 km | Not reported | 1 | — |
| Majnoon Gas PipelineBasrah → Basrah | Iraq | Operating | 8 km | Not reported | 1 | 2025 |
| Makat–North Caucasus PipelineAtyrau → Chechnya | Kazakhstan, Russia | Operating | 944 km | 21.9 bcm/y | 1 | 1988 |
| Makat–North Caucasus PipelineAtyrau → Atyrau | Kazakhstan | Operating | 130 km | 13.2 bcm/y | 1 | 2023 |
| Malampaya Gas Pipeline | Philippines | Operating | 504 km | 4.6 bcm/y | 1 | 2002 |
| Malaysia Singapore Gas Pipeline | Malaysia, Singapore | Operating | 70 km | Not reported | 1 | 1991 |
| Malborghetto-Camisano Gas Pipeline | Italy | Operating | 163 km | Not reported | 1 | 1973 |
| Malborghetto-Flaibano Gas Pipeline | Italy | Operating | 77 km | Not reported | 1 | 2002 |
| Malborghetto-Flaibano Gas Pipeline | Italy | Operating | 38 km | Not reported | 1 | 2026 |
| Malesovice–Brodské Gas Pipeline | Czechia | Operating | 54 km | Not reported | 1 | — |
| Malesovice–Oslavou Gas Pipeline | Czechia | Operating | 33 km | Not reported | 1 | — |
| Mallavaram-Bhopal-Bhilwara-Vijaipur Gas PipelineAndhra Pradesh → Telangana | India | Operating | 365 km | 28.6 bcm/y | 1 | 2021 |
| Mallavaram-Bhopal-Bhilwara-Vijaipur Gas PipelineAndhra Pradesh → Rajasthan | India | Under construction | 1,517 km | 28.6 bcm/y | 1 | 2024 |
| Malmoe–Stenungsund Gas Pipeline | Sweden | Operating | 600 km | Not reported | 1 | — |
| Malmoe–Trelleborg Gas Pipeline | Sweden | Operating | 27 km | Not reported | 1 | — |
| Malta-Italy Gas Pipeline | Italy, Malta | Proposed | 159 km | 1.2 bcm/y | 1 | 2030 |
| Manavgat-Alanya-Gazipaşa-Anamur Gas PipelineAntalya Province → Mersin Province | Türkiye | Under construction | 158 km | Not reported | 1 | — |
| Manjiwala-Pezu Gas PipelineKhyber Pakhtunkhwa → Khyber Pakhtunkhwa | Pakistan | Operating | 53 km | Not reported | 1 | — |
| Mannovka-Ust-Luga Gas PipelineLeningrad Oblast → Leningrad Oblast | Russia | Proposed | 21 km | 0.74 bcm/y | 1 | — |
| Mantsala–Hameenlinna Gas Pipeline | Finland | Operating | 57 km | Not reported | 1 | — |
| Mantsala–Helsinki Gas Pipeline | Finland | Operating | 60 km | Not reported | 1 | — |
| Mantsala–Kyroskoski Gas Pipeline | Finland | Operating | 201 km | Not reported | 1 | — |
| Many Islands Pipelines | Canada | Operating | 476 km | Not reported | 1 | 1966 |
| Maqta-Al Taweelah Gas PipelineAbu Dhabi → Abu Dhabi | United Arab Emirates | Operating | 52 km | Not reported | 1 | — |
| Maqta-Al Taweelah Gas PipelineAbu Dhabi → Abu Dhabi | United Arab Emirates | Operating | 53 km | Not reported | 1 | — |
| Marbeck-Heiden-DorstenNorth Rhine-Westphalia → North Rhine-Westphalia | Germany | Proposed | 17 km | Not reported | 1 | 2026 |
| Marbeck-Heiden-Dorsten Gas PipelineNorth Rhine-Westphalia → North Rhine-Westphalia | Germany | Proposed | 1.5 km | Not reported | 1 | 2026 |
| Mardan-Swat Gas PipelineKhyber Pakhtunkhwa → Khyber Pakhtunkhwa | Pakistan | Operating | 105 km | Not reported | 1 | — |
| Margham–Jebel Ali gas PipelineDubai → Dubai | United Arab Emirates | Operating | 75 km | Not reported | 1 | — |
| Maritimes and Northeast Gas PipelineNova Scotia → Massachusetts | Canada, United States | Operating | 1,432 km | 8.48 bcm/y | 1 | 1999 |
| Marjan GOSP-4 Gas PipelineArabian Gulf → Eastern Coast | Saudi Arabia | Operating | 531 km | 0.01 bcm/y | 1 | 2024 |
| Marjan GOSP-4 Gas PipelineArabian Gulf → Eastern Coast | Saudi Arabia | Operating | 100 km | 7.67 bcm/y | 1 | 2024 |
| Marquette Connector PipelineMichigan → Michigan | United States | Operating | 68 km | 1.47 bcm/y | 1 | 2019 |
| Martorell–Figueres Gas Pipeline | Spain | Operating | 94 km | Not reported | 1 | 2012 |
| Mascara-Saïda Gas PipelineMascara → Saïda | Algeria | Operating | 27 km | Not reported | 1 | — |
| Mascara-Saïda Gas PipelineMascara → Saïda | Algeria | Operating | 63 km | Not reported | 1 | — |
| Masera–Mortara Gas Pipeline | Italy | Operating | 125 km | Not reported | 1 | 1972 |
| Masera–Mortara Gas Pipeline | Italy | Operating | 0 km | Not reported | 1 | 2001 |
| Matagiola-Massafra Gas PipelineTaranto → Apulia | Italy | Proposed | 40 km | 3.61 bcm/y | 1 | 2030 |
| Matola Gas Company PipelineMaputo → Maputo | Mozambique | Operating | 100 km | 0.21 bcm/y | 1 | 2012 |
| Matsumoto Gas Pipeline | Japan | Operating | 102 km | Not reported | 1 | 2002 |
| Matterhorn Express Gas PipelineTexas → 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 PipelineNorth Island → North Island | New Zealand | Operating | 307 km | 3.44 bcm/y | 1 | 1979 |
| Mavromati-Larymna Gas Pipeline | Greece | Proposed | 36 km | Not reported | 1 | — |
| Maykop-Nevinnomyssk Gas PipelineReublic of Adygea → Stavropol Krai | Russia | Operating | 155 km | 2.5 bcm/y | 1 | 1964 |
| Maykop-Samur-Sochi PipelineRepublic of Adygea → Krasnodar Krai | Russia | Operating | 186 km | 2 bcm/y | 1 | 1975 |
| Mayo - Galway Gas Pipeline | Ireland | Operating | 149 km | Not reported | 1 | 2006 |
| Mayo - Galway Gas Pipeline | Ireland | Operating | 79 km | Not reported | 1 | — |
| Mazara Del Vallo-Sciacca Gas Pipeline | Italy | Operating | 50 km | Not reported | 1 | 1980 |
| Mazara del Vallo-Gagliano Gas Pipeline | Italy | Operating | 224 km | Not reported | 1 | 1980 |
| Mazara del Vallo-Menfi Gas Pipeline | Italy | Operating | 43 km | Not reported | 1 | 2008 |
| Medanito-Mainqué Gas PipelineLa Pampa → Río Negro | Argentina | Operating | 135 km | Not reported | 1 | 1969 |
| Medgaz Gas PipelineMascara → Oran | Algeria | Operating | 120 km | Not reported | 1 | 2010 |
| Medgaz Gas PipelineLaghouat → 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 Pipeline | Romania | Operating | 45 km | Not reported | 1 | — |
| Medjedel-Bordj Ménail Gas PipelineM'Sila → Boumerdès | Algeria | Operating | 208 km | 11.3 bcm/y | 1 | 2020 |
| Medjedel-Bou Saada Gas PipelineM'Sila → M'Sila | Algeria | Operating | 46 km | Not reported | 1 | 1984 |
| Medvezhye-Nadym Gas PipelineYamalo-Nenets Autonomus Okrug → Yamalo-Nenets Autonomus Okrug | Russia | Operating | 118 km | 28 bcm/y | 1 | 1972 |
| Medvezhye-Nadym Gas PipelineYamalo-Nenets Autonomus Okrug → Yamalo-Nenets Autonomus Okrug | Russia | Operating | 115 km | Not reported | 1 | 1975 |
| Megalopoli-Patras Gas Pipeline | Greece | Proposed | 145 km | Not reported | 1 | 2027 |
| Meghaier Gas Pipeline | Algeria | Operating | 120 km | Not reported | 1 | 2008 |
| Mehsana-Bhatinda Gas PipelineGujarat → Punjab | India | Operating | 1,177 km | 29.2 bcm/y | 1 | 2022 |
| Mehsana-Bhatinda Gas PipelineGujarat → Punjab | India | Under construction | 763 km | 29.2 bcm/y | 1 | — |
| Melizzano-Castrovillari Gas Pipeline | Italy | Operating | 286 km | Not reported | 1 | 1981 |
| Melizzano-Vastogirardi Gas Pipeline | Italy | Operating | 89 km | Not reported | 1 | 1993 |
| Melizzano-Vastogirardi Gas Pipeline | Italy | Operating | 89 km | Not reported | 1 | 1993 |
| Melizzano–Benevento Gas Pipeline | Italy | Operating | 37 km | Not reported | 1 | 1968 |
| Mellitah-BU-Attifel Gas PipelineMellitah Port → Sirte Basin | Libya | Cancelled | Not reported | Not reported | 1 | — |
| Mellitah-Gábes Pipeline | Libya, Tunisia | Cancelled | 275 km | 1.98 bcm/y | 1 | — |
| Mercedes-Cardales Gas PipelineBuenos Aires → Buenos Aires | Argentina | Operating | 73 km | 5.48 bcm/y | 1 | 2023 |
| Merrick Mainline PipelineBritish Columbia → British Columbia | Canada | Cancelled | 260 km | 20.4 bcm/y | 1 | 2020 |
| Messina–Montalbano Gas Pipeline | Italy | Operating | 77 km | Not reported | 1 | 1996 |
| Messoyakha-Norilsk PipelineKrasnoyarsk Krai → Krasnoyarsk Krai | Russia | Retired | 263 km | Not reported | 1 | 1969 |
| Messoyakha-Norilsk PipelineKrasnoyarsk Krai → Krasnoyarsk Krai | Russia | Operating | 263 km | Not reported | 1 | 1973 |
| Messoyakha-Norilsk PipelineKrasnoyarsk Krai → Krasnoyarsk Krai | Russia | Operating | 263 km | Not reported | 1 | 1981 |
| Messoyakha-Norilsk PipelineKrasnoyarsk Krai → Krasnoyarsk Krai | Russia | Operating | 263 km | Not reported | 1 | 1991 |
| Methanization of Sardinia Project | Italy | Proposed | 420 km | 1.68 bcm/y | 1 | 2027 |
| Methanization of Sardinia Project | Italy | Proposed | 260 km | 1.68 bcm/y | 1 | 2030 |
| Meurad-Eucalyptus Gas PipelineTipaza → Algeria | Algeria | Operating | 69 km | Not reported | 1 | 2011 |
| Mexico-Northern Central America Gas Pipeline | Mexico, Guatemala, El Salvador, Honduras | Shelved | 600 km | Not reported | 1 | 2029 |
| Mian Channu-Hasilpur Gas PipelinePunjab → Punjab | Pakistan | Operating | 84 km | Not reported | 1 | — |
| Mid West PipelineWestern Australia → Western Australia | Australia | Operating | 353 km | 0.19 bcm/y | 1 | 1999 |
| Midcontinent Express Gas PipelineOklahoma → Alabama | 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 Pipeline | Spain, France | Cancelled | 227 km | Not reported | 1 | 2024 |
| Midia Gas Pipeline | Romania | Operating | 126 km | 1 bcm/y | 1 | 2022 |
| Midla Natchez PipelineLouisiana → Mississippi | United States | Operating | 84 km | 0.49 bcm/y | 1 | 2017 |
| Midship PipelineOklahoma → Oklahoma | United States | Operating | 375 km | 11.2 bcm/y | 1 | 2020 |
| Midwestern Gas TransmissionTennessee → Illinois | United States | Operating | 589 km | 6.64 bcm/y | 1 | 1951 |
| Mie-Shiga Gas Pipeline | Japan | Operating | 60 km | Not reported | 1 | 2014 |
| Mier Monterrey Gas PipelineTexas → Nuevo León | United States, Mexico | Operating | 145 km | 6.54 bcm/y | 1 | 2003 |
| Millennium Gas PipelineNew York → New York | United States | Operating | 293 km | 5.11 bcm/y | 1 | 2008 |
| Minamiashigara Pipeline | Japan | Cancelled | Not reported | Not reported | 1 | 2003 |
| Minamifuji Gas Pipeline | Japan | Operating | 31 km | Not reported | 1 | 2006 |
| Minell PipelineSaskatchewan → Manitoba | Canada | Operating | 70 km | Not reported | 1 | 1965 |
| Minerbio-Castelbolognese Gas Pipeline | Italy | Operating | 44 km | Not reported | 1 | 1993 |
| Minerbio-Zimella Gas Pipeline | Italy | Operating | 86 km | Not reported | 1 | 1980 |
| Minerbio–Parma Gas Pipeline | Italy | Operating | 39 km | Not reported | 1 | 1992 |
| Minerbio–Parma Gas Pipeline | Italy | Operating | 81 km | Not reported | 1 | 1994 |
| Minerbio–Ravenna Terra Gas Pipeline | Italy | Operating | 59 km | Not reported | 1 | 1969 |
| Mineros-San Ramón Gas Pipeline | Bolivia | Operating | 99 km | 0.02 bcm/y | 1 | 1997 |
| Minnibaevo-Kazan Gas PipelineRepublic of Tatarstan → Republic of Tatarstan | Russia | Operating | 285 km | 5.25 bcm/y | 1 | 1954 |
| Minnibaevo-Kazan Gas PipelineRepublic of Tatarstan → Republic of Tatarstan | Russia | Operating | 285 km | 5.25 bcm/y | 1 | 1963 |
| Minnibayevo-Izhevsk Gas PipelineRepublic of Tatarstan → Republic of Udmurtia | Russia | Operating | 249 km | Not reported | 1 | 1965 |
| Minor Duct Line 12 Inches | Bolivia | Operating | 100 km | 2.04 bcm/y | 1 | — |
| Minsk-Kaliningrad Interconnection Gas Pipeline | Belarus, Lithuania, Russia | Operating | 155 km | 15 bcm/y | 1 | 1985 |
| Mira–Campagna Lupia Gas Pipeline | Italy | Operating | 14 km | Not reported | 1 | 1992 |
| Mishkino-Yurgamysh-Kurgan Gas PipelineKurgan Oblast → Kurgan Oblast | Russia | Operating | 84 km | Not reported | 1 | 2016 |
| Mishkino-Yurgamysh-Kurgan Gas PipelineKurgan Oblast → Kurgan Oblast | 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 PipelineLouisiana → Louisiana | United States | Operating | 72 km | 8.18 bcm/y | 1 | 1996 |
| Mississippi Crossing ProjectMississippi → Alabama | 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 | — |
| Mittelbrunn MEGAL–Remich Gas Pipeline | Germany | Operating | 65 km | Not reported | 1 | — |
| MoGas PipelineMissouri → Illinois | United States | Operating | 423 km | Not reported | 1 | 2008 |
| MoGas PipelineMissouri → Missouri | United States | Proposed | 0 km | 0.77 bcm/y | 1 | 2026 |
| Moheshkhali Zero Point-CTMS Gas Pipeline | Bangladesh | Operating | 7 km | 12.3 bcm/y | 1 | 2021 |
| Moheshkhali-Anwara Gas Transmission Pipeline | Bangladesh | Operating | 91 km | 5.11 bcm/y | 1 | 2017 |
| Moheshkhali-Anwara Parallel Gas Pipeline | Bangladesh | Operating | 79 km | 12.3 bcm/y | 1 | 2021 |
| Mojave Gas PipelineArizona → California | United States | Operating | 805 km | 4.09 bcm/y | 1 | 1991 |
| Mokrous-Samara-Tolyatti Gas PipelineSaratov Oblast → Samara Oblast | Russia | Operating | 412 km | Not reported | 1 | 1968 |
| Moliterno–Montesano Sulla Marcellana Gas Pipeline | Italy | Operating | 5.1 km | Not reported | 1 | — |
| Monaco Gas Pipeline | Germany | Operating | 87 km | Not reported | 1 | 2019 |
| Monohardi-Dhanua Elenga Gas Pipeline | 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 Pipeline | Italy | Operating | 79 km | Not reported | 1 | 1996 |
| Montalbano–Bronte Gas Pipeline | Italy | Operating | 60 km | Not reported | 1 | 1995 |
| Montesano-Buccino Gas Pipeline | Italy | Operating | 57 km | Not reported | 1 | 1993 |
| Montour Lateral PipelinePennsylvania → Pennsylvania | United States | Cancelled | 24 km | Not reported | 1 | — |
| Moomba Adelaide Pipeline SystemSouth Australia → South Australia | Australia | Operating | 1,184 km | 2.42 bcm/y | 1 | 1969 |
| Moomba Sydney Pipeline SystemSouth Australia → South Australia, New South Wales | 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 PipelineQueensland → Queensland | Australia | Cancelled | 200 km | Not reported | 1 | — |
| Morano–Tarsia Gas Pipeline | Italy | Operating | 42 km | Not reported | 1 | 2008 |
| Moravia Extension Gas Pipeline | Czechia | Operating | 83 km | 5.35 bcm/y | 1 | 2022 |
| Moravia Extension Gas Pipeline | Czechia | Proposed | 74 km | 2.58 bcm/y | 1 | 2027 |
| Morelmaison-Rodersdorf Gas Pipeline | France, Switzerland | Operating | 162 km | Not reported | 1 | 1998 |
| Morelmaison–Voisines Gas Pipeline | France | Operating | 169 km | Not reported | 1 | — |
| Morelos Gas PipelineTlaxcala → Morelos | Mexico | Operating | 172 km | 3.44 bcm/y | 1 | 2016 |
| Mortara–Alessandria Gas Pipeline | Italy | Operating | 44 km | Not reported | 1 | 2008 |
| Mortara–Alessandria Gas Pipeline | Italy | Operating | 0 km | Not reported | 1 | 2008 |
| Mortlake Gas PipelineVictoria → Victoria | Australia | Operating | 83 km | 4.01 bcm/y | 1 | 2011 |
| Mountain Valley Gas Pipeline (MVP)West Virginia → Virginia | United States | Operating | 488 km | 20.4 bcm/y | 1 | 2024 |
| Mountain Valley Gas Pipeline (MVP)Virginia → North Caolina | United States | Proposed | 50 km | 5.62 bcm/y | 1 | 2028 |
| Mountain Valley Gas Pipeline (MVP) | United States | Operating | 0 km | 10.2 bcm/y | 1 | 2024 |
| Mountain Valley Gas Pipeline (MVP) | United States | Proposed | 0 km | 3.58 bcm/y | 1 | 2026 |
| 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 | — |
| MountainWest Gas PipelineWyoming → Wyoming | United States | Under construction | 0 km | 3.32 bcm/y | 1 | 2025 |
| Mountaineer Gas PipelineVirginia → West Virginia | United States | Operating | 44 km | Not reported | 1 | 2019 |
| Mountaineer Gas PipelineMaryland, Pennsylvania → West Virginia | United States | Operating | 5.5 km | 48.5 bcm/y | 1 | 2025 |
| Mountaineer Gas PipelineWest Virginia → West Virginia | 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 |
| Mousal-Al Qayyarah PS Gas PipelineNineveh → Nineveh | Iraq | Operating | 22 km | 130 bcm/y | 1 | 2021 |
| Mozambique LNG Gas Pipeline | Mozambique | Proposed | 45 km | Not reported | 1 | — |
| 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 → Stavropol Krai | Russia | Operating | 257 km | Not reported | 1 | — |
| Mtwara–Dar es Salaam Gas Pipeline | Tanzania | Operating | 535 km | 8.1 bcm/y | 1 | 2015 |
| Muara Karang-Muara Tawar Gas PipelineWest Java → West Java | Indonesia | Operating | 30 km | 2.76 bcm/y | 1 | 2016 |
| Mubarek-Kagan Gas Pipeline | Uzbekistan | Operating | 100 km | Not reported | 1 | — |
| Mubarek-Kagan Gas Pipeline | Uzbekistan | Operating | 99 km | Not reported | 1 | — |
| Mubarraz Field-Mubarraz Terminal Gas PipelineAbu Dhabi → Abu Dhabi | United Arab Emirates | Operating | 35 km | Not reported | 1 | — |
| Mumbai Regional Natural Gas Pipeline NetworkMaharashtra → Maharashtra | India | Operating | 129 km | 2.57 bcm/y | 1 | — |
| Mumbai-Nagpur-Jharsuguda Gas PipelineMaharashtra → Odisha | India | Under construction | 1,755 km | 6.02 bcm/y | 1 | 2025 |
| Mumbai-Uran Trunk Line (MUT)Offshore India → Maharashtra | India | Operating | 204 km | 4.47 bcm/y | 1 | 2005 |
| Murati-Silivri Pipeline | Estonia, Türkiye | Operating | 182 km | Not reported | 1 | — |
| Murayrat-Al Ghubrah Gas PipelineMuscat → Muscat | Oman | Operating | 30 km | Not reported | 1 | 2010 |
| Murayrat-Barka Gas PipelineMuscat → Al Batinah South | Oman | Operating | 40 km | Not reported | 1 | 2009 |
| Murayrat-Mina Al Fahal Gas PipelineMuscat → Muscat | Oman | Operating | 40 km | Not reported | 1 | 2006 |
| Murban Bab- Maqta Gas PipelineAbu Dhabi → Abu Dhabi | United Arab Emirates | Operating | 134 km | Not reported | 1 | — |
| Murban Bab-Jebel Ali Port Gas PipelineAbu Dhabi → Abu Dhabi | United Arab Emirates | Operating | 76 km | Not reported | 1 | — |
| Murdoch Field–Theddlethorpe Gas Pipeline | United Kingdom | Retired | 180 km | Not reported | 1 | 1993 |
| Murmansk-Volkhov Gas PipelineMurmansk Oblast → Leningrad Oblast | Russia | Proposed | 800 km | 41.2 bcm/y | 1 | 2028 |
| Muscar-Soto Gas PipelineMonagas → Anzoátegui | Venezuela | Operating | 129 km | 8.27 bcm/y | 1 | — |
| Muskogee PipelineOklahoma → Oklahoma | 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 PipelineTomsk region → Tomsk region | 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 PipelinePunjab → Punjab | Pakistan | Operating | 77 km | Not reported | 1 | — |
| NC 41-Mellitah Gas Pipeline | Libya | Under construction | 130 km | Not reported | 1 | 2025 |
| NCMA Development Gas Pipeline | Trinidad and Tobago | Operating | 107 km | 5.31 bcm/y | 1 | 2001 |
| NEL Gas PipelineMecklenburg-Vorpommern → Niedersachsen | Germany | Operating | 440 km | 20 bcm/y | 1 | 2012 |
| NET Mexico Gas PipelineTexas → Texas | United States | Operating | 200 km | 21.5 bcm/y | 1 | 2014 |
| NETG PipelineNordrhein-Westfalen → Nordrhein-Westfalen | Germany | Operating | 135 km | Not reported | 1 | 1967 |
| NETRA Gas PipelineNiedersachsen → Sachsen-Anhalt | Germany | Operating | 408 km | 21.4 bcm/y | 1 | 1995 |
| NEXUS Gas Transmission (NGT) PipelineOhio → Michigan | United States | Operating | 410 km | 15.3 bcm/y | 1 | 2018 |
| NGL3-NFIS Gas Pipeline | Qatar | Operating | 137 km | Not reported | 1 | — |
| NSW Gas NetworkNew South Wales → New South Wales | Australia | Operating | 239 km | Not reported | 1 | — |
| NSW Gas NetworkNew South Wales → New South Wales | Australia | Operating | 421 km | Not reported | 1 | — |
| NTS Gas Pipeline NetworkSão Paulo → Rio de Janeiro | Brazil | Operating | 456 km | 6.79 bcm/y | 1 | 2008 |
| NTS Gas Pipeline NetworkRio de Janeiro → Minas Gerais | Brazil | Operating | 357 km | 1.28 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkRio de Janeiro → Minas Gerais | Brazil | Operating | 271 km | 1.83 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkRio de Janeiro → São Paulo | Brazil | Operating | 328 km | 3.47 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkSão Paulo → São Paulo | Brazil | Operating | 55 km | 4.38 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkRio de Janeiro → Rio de Janeiro | Brazil | Operating | 180 km | 14.6 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkSão Paulo → São Paulo | Brazil | Operating | 99 km | 7.3 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkRio de Janeiro → Rio de Janeiro | Brazil | Operating | 95 km | 1.83 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkSão Paulo → Minas Gerais | Brazil | Operating | 94 km | 1.83 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkRio de Janeiro → Rio de Janeiro | Brazil | Operating | 46 km | 9.13 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkSão Paulo → São Paulo | Brazil | Operating | 42 km | 1.53 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkSão Paulo → São Paulo | Brazil | Operating | 39 km | 4.38 bcm/y | 1 | — |
| NTS Gas Pipeline NetworkRio de Janeiro → Rio de Janeiro | Brazil | Operating | 11 km | 6.57 bcm/y | 1 | 2023 |
| NYMarc Gas Pipeline ProjectNew Jersey → New York | United States | Cancelled | 106 km | Not reported | 1 | — |
| NaTran Gas Pipeline NetworkOise → Haute Marne | France | Operating | 308 km | 15 bcm/y | 1 | 2015 |
| NaTran Gas Pipeline Network | France | Operating | 191 km | 13 bcm/y | 1 | 2014 |
| NaTran Gas Pipeline Network | France | Operating | 29,574 km | Not reported | 1 | — |
| NaTran Gas Pipeline NetworkBouches-du-Rhône → Drôme | France | Shelved | 220 km | Not reported | 1 | 2016 |
| NaTran Gas Pipeline NetworkLoire-Atlantique → Maine-et-Loire | France | Proposed | 200 km | Not reported | 1 | 2017 |
| NaTran Gas Pipeline NetworkMaine-et-Loire → Eure-et-Loire | France | Proposed | 63 km | Not reported | 1 | 2024 |
| Naama-Ain Sefra Gas PipelineNaâma → Naâma | Algeria | Operating | 67 km | Not reported | 1 | 2003 |
| Nabucco Gas PipelineAnkara → Lower Austria | Türkiye, Bulgaria, Romania, Austria, Hungary | Cancelled | 3,893 km | 31 bcm/y | 1 | — |
| Naco-Hermosillo Gas PipelineSonora → Sonora | Mexico | Operating | 340 km | 0.92 bcm/y | 1 | 1984 |
| Nador West Med Port-GME Gas Pipeline | Morocco | Proposed | 132 km | 7.67 bcm/y | 1 | — |
| Nador West Med Port-GME Gas PipelineMediterranean Sea → Atlantic | Morocco | Proposed | 132 km | 7.67 bcm/y | 1 | — |
| Nadym-Punga Gas PipelineYamalo-Nenets Autonomus Okrug → Khanty-Mansi Autonomous Okrug | Russia | Operating | 696 km | 14 bcm/y | 1 | 1972 |
| Nadym-Punga Gas PipelineYamalo-Nenets Autonomus Okrug → Khanty-Mansi Autonomous Okrug | Russia | Operating | 605 km | 14 bcm/y | 1 | 1974 |
| Nadym-Punga Gas PipelineYamalo-Nenets Autonomus Okrug → Khanty-Mansi Autonomous Okrug | Russia | Operating | 566 km | 30 bcm/y | 1 | 1975 |
| Nadym-Punga Gas PipelineYamalo-Nenets Autonomus Okrug → Khanty-Mansi Autonomous Okrug | Russia | Operating | 595 km | 30 bcm/y | 1 | 1977 |
| Nadym-Punga Gas PipelineYamalo-Nenets Autonomus Okrug → Khanty-Mansi Autonomous Okrug | Russia | Operating | 571 km | 30 bcm/y | 1 | 1981 |
| Nagaoka Pipeline | Japan | Operating | 68 km | Not reported | 1 | 1961 |
| Nagasaki Gas Pipeline | Japan | Operating | 12 km | Not reported | 1 | 2002 |
| Nagrak - Bitung Gas PipelineBanten → West Java | Indonesia | Operating | 51 km | 2.76 bcm/y | 1 | — |
| Naiyp-Deryalyk Gas Pipeline | Turkmenistan | Operating | 942 km | Not reported | 1 | — |
| Najaf Cement Factory Gas PipelineNajaf → Najaf | 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 Pipeline | Bangladesh | Operating | 36 km | 2.56 bcm/y | 1 | 2000 |
| Nalka-Hatikumrul Gas Pipeline | 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 pipelineGuangxi → Guangxi | 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 Pipeline | Japan | Operating | 31 km | Not reported | 1 | 2022 |
| Naoetsu Gas Pipeline | Japan | Operating | 9 km | Not reported | 1 | 2013 |
| Narrabri to Wellington PipelineNew South Wales → New South Wales | 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 Pipeline | Japan | Operating | 26 km | Not reported | 1 | 1965 |
| Nasiriyah Field Gas Pipeline | Iraq | Under construction | Not reported | 0.82 bcm/y | 1 | — |
| Nasser-Brega Gas Pipeline | Libya | Operating | 277 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 Gas PipelineSaladin → Basra | Iraq | Operating | 600 km | 8.69 bcm/y | 1 | — |
| National Transmission System | United Kingdom | Operating | 7,650 km | Not reported | 1 | 1963 |
| Natuna D Alpha-Batam-Duri Gas Pipeline | 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 System | United States | Operating | 14,645 km | 16.4 bcm/y | 1 | 1931 |
| Natural Gas Pipeline Company of America SystemLouisiana → Louisiana | United States | Proposed | 0 km | 3.18 bcm/y | 1 | 2026 |
| Nautilus Gas Pipelineoffshore Louisiana → Louisiana | United States | Operating | 154 km | 6.13 bcm/y | 1 | 1997 |
| Nawabshah-Karachi Gas PipelineSindh → Sindh | Pakistan | Operating | 290 km | 0.82 bcm/y | 1 | — |
| Neckarenztal Gas PipelineBaden-Württemberg → Baden-Württemberg | Germany | Operating | 28 km | Not reported | 1 | 2023 |
| Neerabup Pipeline | Australia | Operating | 30 km | Not reported | 1 | — |
| Neft Dashlary-Bahar Gas Pipeline | Azerbaijan | Operating | 67 km | 5.5 bcm/y | 1 | 2007 |
| Negishi Line Gas Pipeline | Japan | Operating | 58 km | Not reported | 1 | 1968 |
| Negishi Line Gas Pipeline 2 | Japan | Operating | 40 km | Not reported | 1 | 1970 |
| Negotino-Bitola Gas Pipeline | North Macedonia | Operating | 92 km | Not reported | 1 | 2022 |
| Nemesbikk–Budapest Gas Pipeline | Hungary | Operating | 139 km | Not reported | 1 | — |
| Neu Brandenberg-Rostock Gas Pipeline | Germany | Operating | 141 km | Not reported | 1 | — |
| Neuba I Gas Pipeline | Argentina | Operating | 1,267 km | 4.75 bcm/y | 1 | 1970 |
| Neuba II Gas Pipeline | Argentina | Operating | 1,958 km | 10.9 bcm/y | 1 | 1988 |
| Neuba II Gas PipelineBuenos Aires → Buenos Aires | Argentina | Operating | 38 km | 1.83 bcm/y | 1 | 2023 |
| New Administration Capital PS Gas Pipeline | Egypt | Operating | 63 km | Not reported | 1 | — |
| New Administrative Capital–Dahshur Gas PipelineCairo → Giza | Egypt | Operating | 70 km | Not reported | 1 | 2017 |
| New Fayoum Gas PipelineFayoum → Fayoum | Egypt | Under construction | 40 km | Not reported | 1 | — |
| New Generation Gas Gathering (NG3) ProjectLouisiana → Louisiana | United States | Operating | 443 km | 17.4 bcm/y | 1 | 2025 |
| Nigeria-Morocco Gas Pipeline | 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 Pipeline | Japan | Operating | 36 km | Not reported | 1 | 1959 |
| Niigata Pipeline | Japan | Operating | 65 km | Not reported | 1 | 1961 |
| Niigata-Sendai Gas Pipeline | Japan | Operating | 261 km | 1.64 bcm/y | 1 | 1996 |
| Nimr-Marmul Gas PipelineDhofar → Dhofar | Oman | Operating | 85 km | Not reported | 1 | 2017 |
| Ningxia Gas Pipeline NetworkInner Mongolia → Ningxia | 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 | — |
| Ningxia Gas Pipeline NetworkNingxia → Ningxia | China | Proposed | 55 km | 0.5 bcm/y | 1 | — |
| Ningxia Gas Pipeline NetworkNingxia → Ningxia | China | Proposed | 263 km | Not reported | 1 | — |
| Ningxia Gas Pipeline NetworkNingxia → Ningxia | China | Operating | 65 km | 1 bcm/y | 1 | 2024 |
| Ningxia Gas Pipeline NetworkInner Mongolia → Ningxia | China | Operating | 216 km | 1.61 bcm/y | 1 | 2012 |
| Nishi west line | Japan | Operating | 8.7 km | Not reported | 1 | 1967 |
| Nitra-Velke Zlievke Gas Pipeline | Slovakia | Operating | 119 km | Not reported | 1 | — |
| Nizhnevartovsk-Parabel-Kuzbass Gas PipelineTyumen region → Kemerovo region | Russia | Operating | 1,162 km | 4.1 bcm/y | 1 | 1978 |
| Nizhnevartovsk-Parabel-Kuzbass Gas PipelineTomsk region → Kemerovo region | Russia | Operating | 714 km | 4.1 bcm/y | 1 | 2012 |
| Nizhnyaya Tura-Perm-Gorky Gas PipelineSverdlovsk Oblast → Perm Krai | Russia | Operating | 243 km | Not reported | 1 | 1967 |
| Nizhnyaya Tura-Perm-Gorky Gas PipelineSverdlovsk Oblast → Perm Krai | Russia | Operating | 1,143 km | Not reported | 1 | 1975 |
| Nizhnyaya Tura-Perm-Gorky Gas PipelineSverdlovsk Oblast → Perm Krai | Russia | Operating | 900 km | Not reported | 1 | 1979 |
| Nizhnyaya Tura-Perm-Gorky Gas PipelinePerm Krai → Nizhny Novgorod Oblast | Russia | Operating | 900 km | Not reported | 1 | 1974 |
| Nizhnyaya Tura-Perm-Gorky Gas PipelinePerm Krai → Nizhny Novgorod Oblast | Russia | Operating | 900 km | Not reported | 1 | 1976 |
| Noordgastransport Gas Pipeline (NOGAT)North Sea → North Holland | Denmark, Netherlands | Operating | 470 km | 5.5 bcm/y | 1 | 1975 |
| Nooros–Abu Madi–El Gamil Gas PiplineDakahlia → Port Said | Egypt | Operating | 130 km | 0.01 bcm/y | 1 | 2019 |
| NorAndino Gas PipelineSalta → Antofagasta | Argentina, Chile | Operating | 1,070 km | 2.92 bcm/y | 1 | 1999 |
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.