London-Amsterdam is about 245 miles.
That would be the, "Chunnel", a tunnel that was constructed under the ocean between England and France.
So that trains could travel between England and continental Europe.
England and France CIA the channel tunnel
Most are in mountain ranges of the Alps and Vercors, and some in Pyrenees.
Eurotunnel The Channel Tunnel
Distance between London, England, United Kingdom and Amsterdam, Netherlands, as the crow flies: 221 miles (356 km) (192 nautical miles)
The Channel Tunnel runs under the English Channel between southeast England and northern France.
Not in the least. When the Channel Tunnel was dug, it was the Brits who objected.
The tunnel going under the English channel connects England and France.
Eurotunnel is the company which owns and operates the Channel Tunnel between England and France.The Channel Tunnel is 50.5 Km (31.4 miles) long, of which 37.9 Km (23.5 miles) is underwater.
The tunnel between England and France is a railway tunnel only. There is a scheme allowing drivers to put their cars on the train (although this is used mainly by trucks). The drivers and passengers are accomodated in a passenger train car during the travel.