| Fort Leonard Wood to Oswego (Illinois) | 337.86 mi (543.73 km) |
| Fort Leonard Wood to Oswego (New York) | 907.36 mi (1,460.25 km) |
| Fort Leonard Wood to Otsego (Minnesota) | 524.57 mi (844.21 km) |
| Fort Leonard Wood to Ottawa (Illinois) | 304.53 mi (490.10 km) |
| Fort Leonard Wood to Ottawa (Kansas) | 180.02 mi (289.71 km) |
| Fort Leonard Wood to Ottumwa (Iowa) | 226.01 mi (363.72 km) |
| Fort Leonard Wood to Overland (Missouri) | 115.46 mi (185.82 km) |
| Fort Leonard Wood to Overland Park (Kansas) | 159.22 mi (256.25 km) |
| Fort Leonard Wood to Overlea (Maryland) | 849.57 mi (1,367.24 km) |
| Fort Leonard Wood to Oviedo (Florida) | 890.44 mi (1,433.02 km) |
| Fort Leonard Wood to Owasso (Oklahoma) | 228.09 mi (367.08 km) |
| Fort Leonard Wood to Owatonna (Minnesota) | 441.47 mi (710.48 km) |
| Fort Leonard Wood to Owensboro (Kentucky) | 273.66 mi (440.41 km) |
| Fort Leonard Wood to Owings Mills (Maryland) | 835.12 mi (1,344.00 km) |
| Fort Leonard Wood to Owosso (Michigan) | 552.91 mi (889.82 km) |
