| Belas to Octeville | 838.56 mi (1,349.53 km) |
| Belas to Oignies | 1,005.47 mi (1,618.15 km) |
| Belas to Oissel | 891.38 mi (1,434.53 km) |
| Belas to Olivet | 840.73 mi (1,353.02 km) |
| Belas to Ollioules | 843.03 mi (1,356.72 km) |
| Belas to Olonne-sur-Mer | 657.14 mi (1,057.57 km) |
| Belas to Oloron-Sainte-Marie | 544.94 mi (877.00 km) |
| Belas to Onet Village | 723.71 mi (1,164.71 km) |
| Belas to Onnaing | 1,019.14 mi (1,640.15 km) |
| Belas to Orange | 816.40 mi (1,313.86 km) |
| Belas to Orchies | 1,013.06 mi (1,630.37 km) |
| Belas to Orleans | 842.87 mi (1,356.47 km) |
| Belas to Orly | 899.69 mi (1,447.90 km) |
| Belas to Ormesson-sur-Marne | 906.40 mi (1,458.70 km) |
| Belas to Orsay | 890.89 mi (1,433.76 km) |
