Two main channels link the North Sea to the rest of the Atlantic Ocean: the smaller is the Strait of Dover (between 4 and 20 miles, or 6.4 and 32 kilometers, wide) in the south, between the United Kingdom and France; and the larger opening (330 miles, or 531 kilometers, wide) is in the north between Scotland and Norway, where the North Sea intersects with the Norwegian Sea and the Atlantic Ocean. Compared with other saltwater bodies, the North Sea is shallow, with an average depth of 308 feet (94 meters), and its deepest point is 2,297 feet (700 meters).