| Calahorra to Octeville | 506.48 mi (815.10 km) |
| Calahorra to Oignies | 611.60 mi (984.28 km) |
| Calahorra to Oissel | 508.23 mi (817.91 km) |
| Calahorra to Olivet | 428.09 mi (688.95 km) |
| Calahorra to Ollioules | 400.70 mi (644.86 km) |
| Calahorra to Olonne-sur-Mer | 292.84 mi (471.28 km) |
| Calahorra to Oloron-Sainte-Marie | 92.62 mi (149.06 km) |
| Calahorra to Onet Village | 269.93 mi (434.41 km) |
| Calahorra to Onnaing | 618.22 mi (994.92 km) |
| Calahorra to Orange | 363.94 mi (585.70 km) |
| Calahorra to Orchies | 616.62 mi (992.36 km) |
| Calahorra to Orleans | 430.64 mi (693.04 km) |
| Calahorra to Orly | 492.51 mi (792.61 km) |
| Calahorra to Ormesson-sur-Marne | 498.12 mi (801.64 km) |
| Calahorra to Orsay | 485.51 mi (781.34 km) |
