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