| Rifle to Oskaloosa (Iowa) | 804.19 mi (1,294.22 km) |
| Rifle to Oswego (Illinois) | 1,027.95 mi (1,654.32 km) |
| Rifle to Oswego (New York) | 1,631.01 mi (2,624.86 km) |
| Rifle to Otsego (Minnesota) | 821.84 mi (1,322.62 km) |
| Rifle to Ottawa (Illinois) | 1,002.11 mi (1,612.74 km) |
| Rifle to Ottawa (Kansas) | 673.61 mi (1,084.07 km) |
| Rifle to Ottumwa (Iowa) | 814.75 mi (1,311.21 km) |
| Rifle to Overland (Missouri) | 933.32 mi (1,502.04 km) |
| Rifle to Overland Park (Kansas) | 701.36 mi (1,128.73 km) |
| Rifle to Overlea (Maryland) | 1,659.10 mi (2,670.07 km) |
| Rifle to Oviedo (Florida) | 1,687.87 mi (2,716.37 km) |
| Rifle to Owasso (Oklahoma) | 687.92 mi (1,107.10 km) |
| Rifle to Owatonna (Minnesota) | 810.85 mi (1,304.93 km) |
| Rifle to Owensboro (Kentucky) | 1,118.90 mi (1,800.70 km) |
| Rifle to Owings Mills (Maryland) | 1,644.13 mi (2,645.97 km) |
