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Longest Tunnels in the World (Top 21 Rail and Road Tunnels)
Lærdal tunnel in Norway between Lærdal - Aurland is a whopping 24,510 meters!
cover tunnel photo by: Matt Brown from London, England / CC BY
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Longest Tunnels in the World (Top 21 Rail and Road Tunnels) | Mappr
www.mappr.coThe longest transportation tunnel in the world is the Gotthard Base Tunnel in Switzerland, though the 20 longest tunnels in the world are all impressive.