| Boechout to Oignies | 80.26 mi (129.17 km) |
| Boechout to Oissel | 195.07 mi (313.94 km) |
| Boechout to Olivet | 254.87 mi (410.17 km) |
| Boechout to Ollioules | 557.15 mi (896.64 km) |
| Boechout to Olonne-sur-Mer | 426.96 mi (687.12 km) |
| Boechout to Oloron-Sainte-Marie | 599.07 mi (964.11 km) |
| Boechout to Onet Village | 476.86 mi (767.43 km) |
| Boechout to Onnaing | 65.34 mi (105.16 km) |
| Boechout to Orange | 484.70 mi (780.05 km) |
| Boechout to Orchies | 71.44 mi (114.97 km) |
| Boechout to Orleans | 252.30 mi (406.04 km) |
| Boechout to Orly | 190.45 mi (306.49 km) |
| Boechout to Ormesson-sur-Marne | 184.79 mi (297.40 km) |
| Boechout to Orsay | 197.79 mi (318.31 km) |
| Boechout to Orthez | 583.42 mi (938.93 km) |
