| Irig to Oswego (Illinois) | 4,985.13 mi (8,022.79 km) |
| Irig to Oswego (New York) | 4,456.68 mi (7,172.33 km) |
| Irig to Otsego (Minnesota) | 4,990.06 mi (8,030.72 km) |
| Irig to Ottawa (Illinois) | 5,019.02 mi (8,077.33 km) |
| Irig to Ottawa (Kansas) | 5,389.79 mi (8,674.04 km) |
| Irig to Ottumwa (Iowa) | 5,164.53 mi (8,311.51 km) |
| Irig to Overland (Missouri) | 5,208.07 mi (8,381.57 km) |
| Irig to Overland Park (Kansas) | 5,354.43 mi (8,617.12 km) |
| Irig to Overlea (Maryland) | 4,637.82 mi (7,463.85 km) |
| Irig to Oviedo (Florida) | 5,335.73 mi (8,587.02 km) |
| Irig to Owasso (Oklahoma) | 5,531.46 mi (8,902.02 km) |
| Irig to Owatonna (Minnesota) | 5,036.61 mi (8,105.64 km) |
| Irig to Owensboro (Kentucky) | 5,132.51 mi (8,259.98 km) |
| Irig to Owings Mills (Maryland) | 4,646.82 mi (7,478.33 km) |
| Irig to Owosso (Michigan) | 4,769.34 mi (7,675.51 km) |
