Southern Ocean
slightly more than twice the size of the US

Spain
slightly more than twice the size of Oregon

Spratly Islands
NA

Sri Lanka
slightly larger than West Virginia

Sudan
slightly more than one-quarter the size of the US

Suriname
slightly larger than Georgia

Svalbard
slightly smaller than West Virginia

Swaziland
slightly smaller than New Jersey

Sweden
slightly larger than California

Switzerland
slightly less than twice the size of New Jersey

Syria
slightly larger than North Dakota

Taiwan
slightly smaller than Maryland and Delaware combined

Tajikistan
slightly smaller than Wisconsin

Tanzania
slightly larger than twice the size of California

Thailand
slightly more than twice the size of Wyoming

Timor-Leste
slightly larger than Connecticut

Togo
slightly smaller than West Virginia

Tokelau
about 17 times the size of The Mall in Washington, DC

Tonga
four times the size of Washington, DC

Trinidad and Tobago
slightly smaller than Delaware

Tunisia
slightly larger than Georgia

Turkey
slightly larger than Texas

Turkmenistan
slightly larger than California

Turks and Caicos Islands
2.5 times the size of Washington, DC

Tuvalu
0.1 times the size of Washington, DC

Uganda
slightly smaller than Oregon

Ukraine
slightly smaller than Texas

United Arab Emirates
slightly smaller than Maine

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