| Carballo to Octeville | 555.00 mi (893.18 km) |
| Carballo to Oignies | 743.83 mi (1,197.08 km) |
| Carballo to Oissel | 629.14 mi (1,012.51 km) |
| Carballo to Olivet | 603.71 mi (971.58 km) |
| Carballo to Ollioules | 731.20 mi (1,176.76 km) |
| Carballo to Olonne-sur-Mer | 408.51 mi (657.44 km) |
| Carballo to Oloron-Sainte-Marie | 406.60 mi (654.36 km) |
| Carballo to Onet Village | 567.56 mi (913.39 km) |
| Carballo to Onnaing | 761.75 mi (1,225.92 km) |
| Carballo to Orange | 676.49 mi (1,088.70 km) |
| Carballo to Orchies | 752.80 mi (1,211.52 km) |
| Carballo to Orleans | 605.32 mi (974.17 km) |
| Carballo to Orly | 653.66 mi (1,051.97 km) |
| Carballo to Ormesson-sur-Marne | 660.82 mi (1,063.49 km) |
| Carballo to Orsay | 644.04 mi (1,036.48 km) |
