Somalia:
slightly smaller than Texas
South Africa:
slightly less than twice the size of Texas
South Georgia and the South Sandwich Islands:
slightly larger than
Rhode Island
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