Tuvalu
total: 26 sq km
land: 26 sq km
water: 0 sq km
Uganda
total: 241,038 sq km
land: 197,100 sq km
water: 43,938 sq km
Ukraine
total: 603,550 sq km
land: 579,330 sq km
water: 24,220 sq km
United Arab Emirates
total: 83,600 sq km
land: 83,600 sq km
water: 0 sq km
United Kingdom
total: 243,610 sq km
land: 241,930 sq km
water: 1,680 sq km
note: includes Rockall and Shetland Islands
United States
total: 9,826,675 sq km
land: 9,161,966 sq km
water: 664,709 sq km
note: includes only the 50 states and District of Columbia
United States Pacific Island Wildlife Refuges
total - 6,959.41 sq
km; emergent land - 22.41 sq km; submerged - 6,937 sq km
Baker Island: total - 129.1 sq km; emergent land - 2.1 sq km;
submerged - 127 sq km
Howland Island: total - 138.6 sq km; emergent land - 2.6 sq km;
submerged - 136 sq km
Jarvis Island: total - 152 sq km; emergent land - 5 sq km; submerged
- 147 sq km
Johnston Atoll: total - 276.6 sq km; emergent land - 2.6 sq km;
submerged - 274 sq km
Kingman Reef: total - 1,958.01 sq km; emergent land - 0.01 sq km;
submerged - 1,958 sq km
Midway Islands: total - 2,355.2 sq km; emergent land - 6.2 sq km;
submerged - 2,349 sq km
Palmyra Atoll: total - 1,949.9 sq km; emergent land - 3.9 sq km;
submerged - 1,946 sq km
Uruguay
total: 176,215 sq km
land: 175,015 sq km
water: 1,200 sq km
Uzbekistan
total: 447,400 sq km
land: 425,400 sq km
water: 22,000 sq km
Vanuatu
total: 12,189 sq km
land: 12,189 sq km
water: 0 sq km
note: includes more than 80 islands, about 65 of which are inhabited