| West Covina to Octeville | 5,465.21 mi (8,795.40 km) |
| West Covina to Oignies | 5,577.97 mi (8,976.88 km) |
| West Covina to Oissel | 5,569.84 mi (8,963.80 km) |
| West Covina to Olivet | 5,666.61 mi (9,119.53 km) |
| West Covina to Ollioules | 6,032.38 mi (9,708.18 km) |
| West Covina to Olonne-sur-Mer | 5,600.80 mi (9,013.62 km) |
| West Covina to Oloron-Sainte-Marie | 5,797.05 mi (9,329.46 km) |
| West Covina to Onet Village | 5,857.98 mi (9,427.51 km) |
| West Covina to Onnaing | 5,600.98 mi (9,013.91 km) |
| West Covina to Orange | 5,946.70 mi (9,570.29 km) |
| West Covina to Orchies | 5,585.63 mi (8,989.21 km) |
| West Covina to Orleans | 5,665.06 mi (9,117.04 km) |
| West Covina to Orly | 5,641.09 mi (9,078.45 km) |
| West Covina to Ormesson-sur-Marne | 5,643.87 mi (9,082.94 km) |
| West Covina to Orsay | 5,636.50 mi (9,071.07 km) |
