| Ruislip to Oswego (Illinois) | 3,969.73 mi (6,388.66 km) |
| Ruislip to Oswego (New York) | 3,430.61 mi (5,521.04 km) |
| Ruislip to Otsego (Minnesota) | 3,996.67 mi (6,432.02 km) |
| Ruislip to Ottawa (Illinois) | 4,003.68 mi (6,443.30 km) |
| Ruislip to Ottawa (Kansas) | 4,380.06 mi (7,049.02 km) |
| Ruislip to Ottumwa (Iowa) | 4,155.04 mi (6,686.89 km) |
| Ruislip to Overland (Missouri) | 4,189.61 mi (6,742.52 km) |
| Ruislip to Overland Park (Kansas) | 4,344.19 mi (6,991.30 km) |
| Ruislip to Overlea (Maryland) | 3,609.00 mi (5,808.12 km) |
| Ruislip to Oviedo (Florida) | 4,311.23 mi (6,938.25 km) |
| Ruislip to Owasso (Oklahoma) | 4,517.56 mi (7,270.32 km) |
| Ruislip to Owatonna (Minnesota) | 4,038.12 mi (6,498.73 km) |
| Ruislip to Owensboro (Kentucky) | 4,108.33 mi (6,611.71 km) |
| Ruislip to Owings Mills (Maryland) | 3,618.04 mi (5,822.67 km) |
| Ruislip to Owosso (Michigan) | 3,750.52 mi (6,035.89 km) |
