word | | Area - comparative |
| Jersey | Fiji | slightly smaller than New Jersey |
| Jersey | Israel | slightly smaller than New Jersey |
| Jersey | Kuwait | slightly smaller than New Jersey |
| Jersey | Netherlands | slightly less than twice the size of New Jersey |
| Jersey | New Caledonia | slightly smaller than New Jersey |
| Jersey | Slovenia | slightly smaller than New Jersey |
| Jersey | Swaziland | slightly smaller than New Jersey |
| Jersey | Switzerland | slightly less than twice the size of New Jersey |
| Johnston | United States Pacific Island Wildlife Refuges | ... 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 ... |
| Juan | French Southern and Antarctic Lands | ... DC Glorioso Islands (Iles Eparses): about eight times the size of The Mall in Washington, DC Juan de Nova Island (Iles Eparses): about seven times the size of The Mall in Washington ... |
| Kansas | Belarus | slightly smaller than Kansas |
| Kansas | Oman | slightly smaller than Kansas |
| Kentucky | Iceland | slightly smaller than Kentucky |
| Kerguelen | French Southern and Antarctic Lands | ... of the Mall in Washington, DC Iles Crozet: about twice the size of Washington, DC Iles Kerguelen: a little larger than Delaware Bassas da India (Iles Eparses): land area about one-third ... |
| Kingman | United States Pacific Island Wildlife Refuges | ... 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 ... |
| land | British Indian Ocean Territory | land area is about 0.3 times the size of Washington, DC |
| land | French Southern and Antarctic Lands | ... size of Washington, DC Iles Kerguelen: a little larger than Delaware Bassas da India (Iles Eparses): land area about one-third the size of The Mall in Washington, DC Europa Island (Iles ... |
| land | Micronesia, Federated States of | four times the size of Washington, DC (land area only) |
| land | 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 |
| land | World | land area about 16 times the size of the US |
| Maine | Austria | slightly smaller than Maine |
| Maine | Azerbaijan | slightly smaller than Maine |
| Maine | United Arab Emirates | slightly smaller than Maine |
| Mall | Ashmore and Cartier Islands | about eight times the size of The Mall in Washington, DC |
| Mall | Clipperton Island | about 12 times the size of The Mall in Washington, DC |
| Mall | Cocos (Keeling) Islands | about 24 times the size of The Mall in Washington, DC |
| Mall | French Southern and Antarctic Lands | ... Saint-Paul (Ile Amsterdam et Ile Saint-Paul): more than 10 times the size of the Mall in Washington, DC Iles Crozet: about twice the size of Washington, DC Iles Kerguelen: a ... |
| Mall | Holy See (Vatican City) | about 0.7 times the size of The Mall in Washington, DC |
| Mall | Monaco | about three times the size of The Mall in Washington, DC |