List of Longest Tunnels in the World
SNo Name Location Length Type Year Comment New York City's main New York state, 137,000 m water supply 1 Delaware Aqueduct Water supply 1945 United States (85.1 mi) tunnel, drilled through solid rock. Southern Finland, 120,000 m 2 2 Päijänne Water Tunnel Water supply 1982 16 m cross Finland (74.6 mi) section Liaoning Province, 85,320 m 3 Dahuofang Water Tunnel Water supply 2009 8 m in diameter China (53.0 mi) longest continuous enclosed Orange–Fish River 82,800 m aqueduct in the 4 South Africa Water supply 1972 Tunnel (51.4 mi) southern hemisphere (22.5 m2 cross section) Kronoberg/Scania, 82,000 m 5 Bolmen Water Tunnel Water supply 1987 2 Sweden (51.0 mi) 8 m longest 60,400 m metro/rapid 6 Guangzhou Metro: Line 3 Guangzhou, China (37.5 mi)Excl. Metro 2005-2010 transit tunnel branch longest railway tunnel Tunel Emisor Oriente: longest 62,500 m 7 Water management in Mexico City, Mexico Waterwaste 2006-2012 waterwaste (38.8 mi) Greater Mexico City tunnel 57,100 m 8 Beijing Subway: Line 10 Beijing, China Metro 2008-2012 (35.5 mi) longest railway tunnel excluding 53,850 m Railway 9 Seikan Tunnel Tsugaru Strait, Japan 1988 urban metro (33.5 mi) Single Tube lines with intermediate stations, 74 m2 Central Bohemian 51,075 m 10 Želivka Water Tunnel Region, Czech Water supply 1972 2 (31.7 mi) 5 m Republic longest underwater section, longest English Channel, international 50,450 m Railway 11 Channel Tunnel United 1994 tunnel, second- (31.3 mi) Twin Tube Kingdom/France longest railway tunnel 2 (2×45 m + 1×18 m2) Armenia (at the time of 48,300 m 12
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