| Betanzos to Octeville | 538.15 mi (866.06 km) |
| Betanzos to Oignies | 724.39 mi (1,165.80 km) |
| Betanzos to Oissel | 609.55 mi (980.97 km) |
| Betanzos to Olivet | 581.95 mi (936.56 km) |
| Betanzos to Ollioules | 707.15 mi (1,138.06 km) |
| Betanzos to Olonne-sur-Mer | 386.94 mi (622.73 km) |
| Betanzos to Oloron-Sainte-Marie | 382.67 mi (615.84 km) |
| Betanzos to Onet Village | 543.39 mi (874.50 km) |
| Betanzos to Onnaing | 741.92 mi (1,194.00 km) |
| Betanzos to Orange | 652.31 mi (1,049.79 km) |
| Betanzos to Orchies | 733.24 mi (1,180.03 km) |
| Betanzos to Orleans | 583.60 mi (939.21 km) |
| Betanzos to Orly | 632.65 mi (1,018.15 km) |
| Betanzos to Ormesson-sur-Marne | 639.79 mi (1,029.65 km) |
| Betanzos to Orsay | 623.07 mi (1,002.74 km) |
