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

Togo
slightly smaller than West Virginia

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