| Rianxo to Octeville | 591.30 mi (951.60 km) |
| Rianxo to Oignies | 777.16 mi (1,250.72 km) |
| Rianxo to Oissel | 662.26 mi (1,065.80 km) |
| Rianxo to Olivet | 632.71 mi (1,018.25 km) |
| Rianxo to Ollioules | 742.07 mi (1,194.24 km) |
| Rianxo to Olonne-sur-Mer | 438.12 mi (705.09 km) |
| Rianxo to Oloron-Sainte-Marie | 416.92 mi (670.97 km) |
| Rianxo to Onet Village | 583.43 mi (938.95 km) |
| Rianxo to Onnaing | 794.49 mi (1,278.60 km) |
| Rianxo to Orange | 690.99 mi (1,112.04 km) |
| Rianxo to Orchies | 785.95 mi (1,264.86 km) |
| Rianxo to Orleans | 634.41 mi (1,020.99 km) |
| Rianxo to Orly | 684.32 mi (1,101.30 km) |
| Rianxo to Ormesson-sur-Marne | 691.44 mi (1,112.76 km) |
| Rianxo to Orsay | 674.79 mi (1,085.96 km) |
