| Santiponce to Octeville | 870.32 mi (1,400.65 km) |
| Santiponce to Oignies | 1,004.76 mi (1,617.01 km) |
| Santiponce to Oissel | 896.29 mi (1,442.44 km) |
| Santiponce to Olivet | 824.89 mi (1,327.53 km) |
| Santiponce to Ollioules | 739.21 mi (1,189.65 km) |
| Santiponce to Olonne-sur-Mer | 665.69 mi (1,071.32 km) |
| Santiponce to Oloron-Sainte-Marie | 490.02 mi (788.61 km) |
| Santiponce to Onet Village | 657.09 mi (1,057.48 km) |
| Santiponce to Onnaing | 1,013.52 mi (1,631.11 km) |
| Santiponce to Orange | 731.60 mi (1,177.40 km) |
| Santiponce to Orchies | 1,010.62 mi (1,626.44 km) |
| Santiponce to Orleans | 827.36 mi (1,331.50 km) |
| Santiponce to Orly | 888.49 mi (1,429.88 km) |
| Santiponce to Ormesson-sur-Marne | 894.43 mi (1,439.45 km) |
| Santiponce to Orsay | 880.92 mi (1,417.71 km) |
