Uruguay
slightly smaller than the state of Washington

Uzbekistan
slightly larger than California

Vanuatu
slightly larger than Connecticut

Venezuela
slightly more than twice the size of California

Vietnam
slightly larger than New Mexico

Virgin Islands
twice the size of Washington, DC

Wake Island
about 11 times the size of The Mall in Washington, DC

Wallis and Futuna
1.5 times the size of Washington, DC

West Bank
slightly smaller than Delaware

Western Sahara
about the size of Colorado