| Belcista to Octeville | 1,224.93 mi (1,971.33 km) |
| Belcista to Oignies | 1,061.78 mi (1,708.77 km) |
| Belcista to Oissel | 1,103.32 mi (1,775.62 km) |
| Belcista to Olivet | 1,032.30 mi (1,661.33 km) |
| Belcista to Ollioules | 776.01 mi (1,248.86 km) |
| Belcista to Olonne-sur-Mer | 1,176.84 mi (1,893.94 km) |
| Belcista to Oloron-Sainte-Marie | 1,101.10 mi (1,772.05 km) |
| Belcista to Onet Village | 945.79 mi (1,522.10 km) |
| Belcista to Onnaing | 1,035.95 mi (1,667.21 km) |
| Belcista to Orange | 835.01 mi (1,343.82 km) |
| Belcista to Orchies | 1,052.43 mi (1,693.72 km) |
| Belcista to Orleans | 1,032.81 mi (1,662.15 km) |
| Belcista to Orly | 1,032.96 mi (1,662.39 km) |
| Belcista to Ormesson-sur-Marne | 1,028.01 mi (1,654.42 km) |
| Belcista to Orsay | 1,040.38 mi (1,674.32 km) |
