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How far did the Western Front extend from Belgium to Switzerland?
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World War I
A British soldier inside a trench on the Western Front during World War I, 1914–18.
At its greatest extent during World War I, the Western Front stretched approximately 440 miles (700 km).1
This continuous line of trench warfare ran from the Belgian coast at Nieuwpoort on the North Sea, through northeastern France, and extended all the way to the border of Switzerland, just south of the Alsatian village of Pfetterhouse.12