word | | Area - comparative |
| Washington | Saint Barthelemy | less than an eighth of the size of Washington, DC |
| Washington | Saint Helena | slightly more than twice the size of Washington, DC |
| Washington | Saint Kitts and Nevis | 1.5 times the size of Washington, DC |
| Washington | Saint Lucia | 3.5 times the size of Washington, DC |
| Washington | Saint Martin | more than one-third the size of Washington, DC |
| Washington | Saint Pierre and Miquelon | 1.5 times the size of Washington, DC |
| Washington | Saint Vincent and the Grenadines | twice the size of Washington, DC |
| Washington | San Marino | about 0.3 times the size of Washington, DC |
| Washington | Sao Tome and Principe | more than five times the size of Washington, DC |
| Washington | Seychelles | 2.5 times the size of Washington, DC |
| Washington | Singapore | slightly more than 3.5 times the size of Washington, DC |
| Washington | Tokelau | about 17 times the size of The Mall in Washington, DC |
| Washington | Tonga | four times the size of Washington, DC |
| Washington | Turks and Caicos Islands | 2.5 times the size of Washington, DC |
| Washington | Tuvalu | 0.1 times the size of Washington, DC |
| Washington | 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 ... |
| Washington | Uruguay | slightly smaller than the state of Washington |
| Washington | Virgin Islands | twice the size of Washington, DC |
| Washington | Wake Island | about 11 times the size of The Mall in Washington, DC |
| Washington | Wallis and Futuna | 1.5 times the size of Washington, DC |
| West | Bosnia and Herzegovina | slightly smaller than West Virginia |
| West | Costa Rica | slightly smaller than West Virginia |
| West | Croatia | slightly smaller than West Virginia |
| West | Ireland | slightly larger than West Virginia |
| West | Latvia | slightly larger than West Virginia |
| West | Lithuania | slightly larger than West Virginia |
| West | Sri Lanka | slightly larger than West Virginia |
| West | Svalbard | slightly smaller than West Virginia |
| West | Togo | slightly smaller than West Virginia |
| Wisconsin | Tajikistan | slightly smaller than Wisconsin |
| world | Pacific Ocean | about 15 times the size of the US; covers about 28% of the global surface; larger than the total land area of the world |
| Wyoming | Thailand | slightly more than twice the size of Wyoming |
| Wyoming | Yemen | slightly larger than twice the size of Wyoming |