| Fort Leonard Wood to Orangevale (California) | 1,573.90 mi (2,532.95 km) |
| Fort Leonard Wood to Orchards (Washington) | 1,649.10 mi (2,653.96 km) |
| Fort Leonard Wood to Orcutt (California) | 1,581.81 mi (2,545.68 km) |
| Fort Leonard Wood to Oregon (Ohio) | 534.50 mi (860.20 km) |
| Fort Leonard Wood to Oregon (Wisconsin) | 385.10 mi (619.76 km) |
| Fort Leonard Wood to Oregon City (Oregon) | 1,648.66 mi (2,653.26 km) |
| Fort Leonard Wood to Orem (Utah) | 1,062.84 mi (1,710.48 km) |
| Fort Leonard Wood to Orinda (California) | 1,633.08 mi (2,628.19 km) |
| Fort Leonard Wood to Orland Park (Illinois) | 349.55 mi (562.55 km) |
| Fort Leonard Wood to Orlando (Florida) | 893.68 mi (1,438.23 km) |
| Fort Leonard Wood to Ormond Beach (Florida) | 861.82 mi (1,386.96 km) |
| Fort Leonard Wood to Oro Valley (Arizona) | 1,125.22 mi (1,810.86 km) |
| Fort Leonard Wood to Oroville (California) | 1,586.35 mi (2,552.98 km) |
| Fort Leonard Wood to Oshkosh (Wisconsin) | 471.20 mi (758.33 km) |
| Fort Leonard Wood to Oskaloosa (Iowa) | 245.84 mi (395.64 km) |
