| Fort Hood to Odessa (Texas) | 273.55 mi (440.24 km) |
| Fort Hood to Ogden (Utah) | 1,051.99 mi (1,693.01 km) |
| Fort Hood to Oildale (California) | 1,259.87 mi (2,027.57 km) |
| Fort Hood to Ojus (Florida) | 1,126.30 mi (1,812.61 km) |
| Fort Hood to Okemos (Michigan) | 1,085.62 mi (1,747.14 km) |
| Fort Hood to Oklahoma City (Oklahoma) | 299.71 mi (482.34 km) |
| Fort Hood to Okmulgee (Oklahoma) | 325.90 mi (524.49 km) |
| Fort Hood to Olathe (Kansas) | 560.87 mi (902.63 km) |
| Fort Hood to Old Jamestown (Missouri) | 680.25 mi (1,094.76 km) |
| Fort Hood to Oldsmar (Florida) | 931.88 mi (1,499.71 km) |
| Fort Hood to Olean (New York) | 1,307.93 mi (2,104.91 km) |
| Fort Hood to Olive Branch (Mississippi) | 529.95 mi (852.87 km) |
| Fort Hood to Olivehurst (California) | 1,446.04 mi (2,327.18 km) |
| Fort Hood to Olney (Maryland) | 1,290.44 mi (2,076.77 km) |
| Fort Hood to Olympia (Washington) | 1,724.81 mi (2,775.81 km) |
