The Northern Sea Route (NSR) is a shipping route about 5,600 kilometres (3,500 mi) long, defined by Russian legislation as running from the entrances to the Novaya Zemlya straits in the west, along the Russian Arctic coast above Siberia through the Kara Sea, Laptev Sea, East Siberian Sea, and Chukchi Sea, to Cape Dezhnyov on the Bering Strait, at parallel 66 ° N and meridian of 168 ° 58′37 ″ W.