Map references: North America
Area: total: 9,629,091 sq km land: 9,158,960 sq km water : 470,131 sq km note: includes only the 50 states and District of Columbia
Area - comparative: about one-half the size of Russia; about three-tenths the size of Africa; about one-half the size of South America (or slightly larger than Brazil); slightly larger than China; about two and one-half times the size of Western Europe
Land boundaries: total: 12,248 km border countries : Canada 8,893 km (including 2,477 km with Alaska), Cuba 29 km (US Naval Base at Guantanamo Bay), Mexico 3,326 km note: Guantanamo Naval Base is leased by the US and thus remains part of Cuba
Coastline: 19,924 km
Maritime claims: contiguous zone : 12 nm continental shelf: not specified exclusive economic zone: 200 nm territorial sea: 12 nm
Climate: mostly temperate, but tropical in Hawaii and Florida and arctic in Alaska, semiarid in the great plains west of the Mississippi River and arid in the Great Basin of the southwest; low winter temperatures in the northwest are ameliorated occasionally in January and February by warm chinook winds from the eastern slopes of the Rocky Mountains
Terrain: vast central plain, mountains in west, hills and low mountains in east; rugged mountains and broad river valleys in Alaska; rugged, volcanic topography in Hawaii
Elevation extremes: lowest point: Death Valley -86 m highest point: Mount McKinley 6,194 m
Natural resources: coal, copper, lead, molybdenum, phosphates, uranium, bauxite, gold, iron, mercury, nickel, potash, silver, tungsten, zinc, petroleum, natural gas, timber