Serbia and Montenegro
slightly smaller than Kentucky

Seychelles
2.5 times the size of Washington, DC

Sierra Leone
slightly smaller than South Carolina

Singapore
slightly more than 3.5 times the size of Washington, DC

Slovakia
about twice the size of New Hampshire

Slovenia
slightly smaller than New Jersey

Solomon Islands
slightly smaller than Maryland

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