| San Fernando de Henares to Octeville | 642.37 mi (1,033.80 km) |
| San Fernando de Henares to Oignies | 761.98 mi (1,226.29 km) |
| San Fernando de Henares to Oissel | 656.05 mi (1,055.81 km) |
| San Fernando de Henares to Olivet | 579.96 mi (933.35 km) |
| San Fernando de Henares to Ollioules | 518.11 mi (833.82 km) |
| San Fernando de Henares to Olonne-sur-Mer | 431.31 mi (694.13 km) |
| San Fernando de Henares to Oloron-Sainte-Marie | 243.56 mi (391.97 km) |
| San Fernando de Henares to Onet Village | 414.41 mi (666.92 km) |
| San Fernando de Henares to Onnaing | 769.55 mi (1,238.47 km) |
| San Fernando de Henares to Orange | 497.40 mi (800.49 km) |
| San Fernando de Henares to Orchies | 767.38 mi (1,234.98 km) |
| San Fernando de Henares to Orleans | 582.47 mi (937.39 km) |
| San Fernando de Henares to Orly | 644.05 mi (1,036.50 km) |
| San Fernando de Henares to Ormesson-sur-Marne | 649.82 mi (1,045.78 km) |
| San Fernando de Henares to Orsay | 636.78 mi (1,024.80 km) |
