The Bering Strait is about 82km wide at its narrowest point, between Cape Dezhnev, Chukchi Peninsula, Russia, the easternmost point (169° 43' W) of the Asian continent and Cape Prince of Wales, Alaska, United States, the westernmost point (168° 05' W) of the North American continent.
The International Date Line runs equidistant between the Strait's Diomede Islands at a distance of , leaving the Russian and American sides usually on different calendar days, with Cape Dezhnev 21 hours ahead of the American side (20 hours during daylight saving time).