| Fort Hood to Oakley (California) | 1,435.76 mi (2,310.63 km) |
| Fort Hood to Oakton (Virginia) | 1,273.00 mi (2,048.70 km) |
| Fort Hood to Oakville (Missouri) | 658.72 mi (1,060.11 km) |
| Fort Hood to Oatfield (Oregon) | 1,657.17 mi (2,666.96 km) |
| Fort Hood to Ocala (Florida) | 942.83 mi (1,517.33 km) |
| Fort Hood to Ocean Acres (New Jersey) | 1,444.80 mi (2,325.18 km) |
| Fort Hood to Ocean City (New Jersey) | 1,419.01 mi (2,283.68 km) |
| Fort Hood to Ocean Pines (Maryland) | 1,374.48 mi (2,212.02 km) |
| Fort Hood to Ocean Pointe (Hawaii) | 3,751.07 mi (6,036.77 km) |
| Fort Hood to Ocean Springs (Mississippi) | 536.34 mi (863.16 km) |
| Fort Hood to Oceanside (California) | 1,149.18 mi (1,849.42 km) |
| Fort Hood to Oceanside (New York) | 1,495.86 mi (2,407.36 km) |
| Fort Hood to Ocoee (Florida) | 988.68 mi (1,591.12 km) |
| Fort Hood to Oconomowoc (Wisconsin) | 970.77 mi (1,562.31 km) |
| Fort Hood to Odenton (Maryland) | 1,307.85 mi (2,104.78 km) |
