| Country | Area - comparative |
| Afghanistan | slightly smaller than Texas |
| Akrotiri | about 0.7 times the size of Washington, DC |
| Albania | slightly smaller than Maryland |
| Algeria | slightly less than 3.5 times the size of Texas |
| American Samoa | slightly larger than Washington, DC |
| Andorra | 2.5 times the size of Washington, DC |
| Angola | slightly less than twice the size of Texas |
| Anguilla | about one-half the size of Washington, DC |
| Antarctica | slightly less than 1.5 times the size of the US |
| Antigua and Barbuda | 2.5 times the size of Washington, DC |
| Arctic Ocean | slightly less than 1.5 times the size of the US |
| Argentina | slightly less than three-tenths the size of the US |
| Armenia | slightly smaller than Maryland |
| Aruba | slightly larger than Washington, DC |
| Ashmore and Cartier Islands | about eight times the size of The Mall in Washington, DC |
| Atlantic Ocean | slightly less than 6.5 times the size of the US |
| Australia | slightly smaller than the US contiguous 48 states |
| Austria | slightly smaller than Maine |
| Azerbaijan | slightly smaller than Maine |
| Bahamas, The | slightly smaller than Connecticut |
| Bahrain | 3.5 times the size of Washington, DC |
| Bangladesh | slightly smaller than Iowa |
| Barbados | 2.5 times the size of Washington, DC |
| Belarus | slightly smaller than Kansas |
| Belgium | about the size of Maryland |