The Longest Tunnels In The World

Gotthard Base Tunnel, Switzerland - 57.1 km (35.5 miles)

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Seikan Tunnel, Japan - 53.85 km (33.46 miles)

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Channel Tunnel, UK/France - 50.5 km (31.4 miles)

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Lötschberg Base Tunnel, Switzerland - 34.57 km (21.5 miles)

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Jungfrau Tunnel, Switzerland - 28.3 km (17.6 miles)

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Guadarrama Tunnel, Spain - 28.4 km (17.6 miles)

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Yulhyeon Tunnel, South Korea - 28.3 km (17.6 miles)

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Simplon Tunnel, Switzerland/Italy - 19.8 km (12.3 miles)

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Koralm Tunnel, Austria - 32.9 km (20.4 miles)

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Apennine Tunnel, Italy - 18.5 km (11.5 miles)

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