10 Longest Railway Tunnels In The World 

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17 January 2025

From Gotthard Base Tunnel in Switzerland to the Guadarrama Tunnel in Spain, here are the top 10 longest railway tunnels in the world

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The Gotthard Base Tunnel in Switzerland is the world's longest railway tunnel, spanning 57.1 km beneath the Swiss Alps 

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Seikan Tunnel stretches 53.9 km and stands as Japan's longest tunnel. It is located beneath the Tsugaru Strait and connects the islands of Honshu and Hokkaido

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Connecting the UK and mainland Europe, the Channel Tunnel is one of the most iconic tunnels in the world. It stretches 50.5 km beneath the English Channel 

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The Yulhyeon Tunnel in South Korea stretches 50.3 km, making it the fourth-longest tunnel in the world 

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Songshan Lake Tunnel is one of the longest railway tunnels in China, measuring 38.8 km. it is a significant part of the country's expansive high-speed rail system 

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Lotschberg Base Tunnel in Switzerland is 34.6 km long and runs through the Swiss Alps. it offers a direct connection between Bern and southern Italy 

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The New Guanjiao Tunnel in China measures 32.7 km. It connects the provinces of Gansu and Qinghai

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Guadarrama Tunnel, located in the Sierra de Guadarrama mountain range in Spain, is 28.5 km long. This tunnel connects Madrid to the northern region

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China's West Qinling Tunnel is another significant Chinese railway project. It stretches 28.2 km and facilitates faster travel across the eastern and western regions of the county 

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Taihang Tunnel in China measures 27.8 km. It cuts through the Taihang Mountain Range, connecting northern and southern regions and offering a more efficient travel route

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