| West Falls Church to Octeville | 3,651.37 mi (5,876.31 km) |
| West Falls Church to Oignies | 3,824.70 mi (6,155.27 km) |
| West Falls Church to Oissel | 3,773.50 mi (6,072.87 km) |
| West Falls Church to Olivet | 3,845.28 mi (6,188.39 km) |
| West Falls Church to Ollioules | 4,154.92 mi (6,686.70 km) |
| West Falls Church to Olonne-sur-Mer | 3,718.67 mi (5,984.62 km) |
| West Falls Church to Oloron-Sainte-Marie | 3,859.49 mi (6,211.24 km) |
| West Falls Church to Onet Village | 3,971.88 mi (6,392.13 km) |
| West Falls Church to Onnaing | 3,851.53 mi (6,198.44 km) |
| West Falls Church to Orange | 4,077.75 mi (6,562.50 km) |
| West Falls Church to Orchies | 3,834.84 mi (6,171.57 km) |
| West Falls Church to Orleans | 3,844.64 mi (6,187.35 km) |
| West Falls Church to Orly | 3,843.43 mi (6,185.41 km) |
| West Falls Church to Ormesson-sur-Marne | 3,848.50 mi (6,193.56 km) |
| West Falls Church to Orsay | 3,835.93 mi (6,173.33 km) |
