| Leon to Octeville | 520.12 mi (837.05 km) |
| Leon to Oignies | 677.91 mi (1,090.99 km) |
| Leon to Oissel | 564.26 mi (908.09 km) |
| Leon to Olivet | 513.47 mi (826.35 km) |
| Leon to Ollioules | 578.84 mi (931.55 km) |
| Leon to Olonne-sur-Mer | 329.58 mi (530.41 km) |
| Leon to Oloron-Sainte-Marie | 254.44 mi (409.49 km) |
| Leon to Onet Village | 426.72 mi (686.73 km) |
| Leon to Onnaing | 691.23 mi (1,112.42 km) |
| Leon to Orange | 531.58 mi (855.49 km) |
| Leon to Orchies | 685.35 mi (1,102.97 km) |
| Leon to Orleans | 515.55 mi (829.70 km) |
| Leon to Orly | 571.79 mi (920.21 km) |
| Leon to Ormesson-sur-Marne | 578.54 mi (931.07 km) |
| Leon to Orsay | 562.95 mi (905.99 km) |
