| Country | Area - comparative |
| United Kingdom | slightly smaller than Oregon |
| United States | about half the size of Russia; about three-tenths the size of Africa; about half the size of South America (or slightly larger than Brazil); slightly larger than China; more than twice the size of the European Union |
| United States Pacific Island Wildlife Refuges | Baker Island: about two and a half times the size of The Mall in Washington, DC Howland Island: about three times the size of The Mall in Washington, DC Jarvis Island: about eight times the size of The Mall in Washington, DC Johnston Atoll: about four and a half times the size of The Mall in Washington, DC Kingman Reef: a little more than one and a half times the size of The Mall in Washington, DC Midway Islands: about nine times the size of The Mall in Washington, DC Palmyra Atoll: about 20 times the size of The Mall in Washington, DC |
| Uruguay | slightly smaller than the state of Washington |
| Uzbekistan | slightly larger than California |
| Vanuatu | slightly larger than Connecticut |
| Venezuela | slightly more than twice the size of California |
| Vietnam | slightly larger than New Mexico |
| Virgin Islands | twice the size of Washington, DC |
| Wake Island | about 11 times the size of The Mall in Washington, DC |
| Wallis and Futuna | 1.5 times the size of Washington, DC |
| West Bank | slightly smaller than Delaware |
| Western Sahara | about the size of Colorado |
| World | land area about 16 times the size of the US top fifteen exxun.com entities ranked by size: Pacific Ocean 155.557 million sq km; Atlantic Ocean 76.762 million sq km; Indian Ocean 68.556 million sq km; Southern Ocean 20.327 million sq km; Russia 17,098,242 sq km; Arctic Ocean 14.056 million sq km; Antarctica 14 million sq km; Canada 9,984,670 sq km; United States 9,826,675 sq km; China 9,596,961 sq km; Brazil 8,514,877 sq km; Australia 7,741,220 sq km; European Union 4,324,782 sq km; India 3,287,263 sq km; Argentina 2,780,400 sq km |
| Yemen | slightly larger than twice the size of Wyoming |
| Zambia | slightly larger than Texas |
| Zimbabwe | slightly larger than Montana |