The Strait of Dover or Dover Strait,[a] historically known as the Dover Narrows, is the strait at the narrowest part of the English Channel, marking the boundary between the Channel and the North Sea, and separating Great Britain from continental Europe. The shortest distance across the strait, at 20.6 miles (33.2 km), is from the South Foreland, northeast of Dover in the English county of Kent, to Cap Gris Nez, a cape near to Calais in the French département of Pas-de-Calais. Between these points lies the most popular route for cross-channel swimmers.[1] The entire strait is within the territorial waters of France and the United Kingdom, but a right of transit passage under the United Nations Convention on the Law of the Sea allows vessels of other nations to move freely through the strait.

The islands are in the Gulf of St. Lawrence near the entrance of Fortune Bay, which extends into the southwestern coast of Newfoundland, near the Grand Banks of Newfoundland.[8] St. Pierre is 19 kilometres (10+1⁄2 nautical miles) from Point May on the Burin Peninsula of Newfoundland and 3,819 kilometres (2,373 mi) from Brest, the nearest city in Metropolitan France.[9] The tiny Canadian Green Island lies 10 kilometres (5+1⁄2 nmi) east of Saint Pierre, roughly halfway to Point May.

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