Reunion:
slightly smaller than Rhode Island

Romania:
slightly smaller than Oregon

Russia:
slightly less than 1.8 times the size of the US

Rwanda:
slightly smaller than Maryland

Saint Helena:
slightly more than two times the size of Washington, DC

Saint Kitts and Nevis:
1.5 times the size of Washington, DC

Saint Lucia:
3.5 times the size of Washington, DC

Saint Pierre and Miquelon:
1.5 times the size of Washington, DC

Saint Vincent and the Grenadines:
twice the size of Washington, DC

Samoa:
slightly smaller than Rhode Island