| Cangas de Narcea to Octeville | 503.09 mi (809.64 km) |
| Cangas de Narcea to Oignies | 675.21 mi (1,086.65 km) |
| Cangas de Narcea to Oissel | 560.35 mi (901.79 km) |
| Cangas de Narcea to Olivet | 521.08 mi (838.59 km) |
| Cangas de Narcea to Ollioules | 623.72 mi (1,003.79 km) |
| Cangas de Narcea to Olonne-sur-Mer | 329.34 mi (530.02 km) |
| Cangas de Narcea to Oloron-Sainte-Marie | 298.81 mi (480.89 km) |
| Cangas de Narcea to Onet Village | 462.82 mi (744.84 km) |
| Cangas de Narcea to Onnaing | 690.65 mi (1,111.50 km) |
| Cangas de Narcea to Orange | 570.77 mi (918.56 km) |
| Cangas de Narcea to Orchies | 683.37 mi (1,099.78 km) |
| Cangas de Narcea to Orleans | 522.94 mi (841.59 km) |
| Cangas de Narcea to Orly | 575.75 mi (926.59 km) |
| Cangas de Narcea to Ormesson-sur-Marne | 582.74 mi (937.84 km) |
| Cangas de Narcea to Orsay | 566.48 mi (911.67 km) |
