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
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
Tonga:
four times the size of Washington, DC