word | | Area - comparative |
| slightly | Southern Ocean | slightly more than twice the size of the US |
| slightly | Spain | slightly more than twice the size of Oregon |
| slightly | Sri Lanka | slightly larger than West Virginia |
| slightly | Sudan | slightly more than one-quarter the size of the US |
| slightly | Suriname | slightly larger than Georgia |
| slightly | Svalbard | slightly smaller than West Virginia |
| slightly | Swaziland | slightly smaller than New Jersey |
| slightly | Sweden | slightly larger than California |
| slightly | Switzerland | slightly less than twice the size of New Jersey |
| slightly | Syria | slightly larger than North Dakota |
| slightly | Taiwan | slightly smaller than Maryland and Delaware combined |
| slightly | Tajikistan | slightly smaller than Wisconsin |
| slightly | Tanzania | slightly larger than twice the size of California |
| slightly | Thailand | slightly more than twice the size of Wyoming |
| slightly | Timor-Leste | slightly larger than Connecticut |
| slightly | Togo | slightly smaller than West Virginia |
| slightly | Trinidad and Tobago | slightly smaller than Delaware |
| slightly | Tunisia | slightly larger than Georgia |
| slightly | Turkey | slightly larger than Texas |