| Cassa de la Selva to Octeville | 576.99 mi (928.58 km) |
| Cassa de la Selva to Oignies | 592.84 mi (954.09 km) |
| Cassa de la Selva to Oissel | 522.04 mi (840.14 km) |
| Cassa de la Selva to Olivet | 415.54 mi (668.74 km) |
| Cassa de la Selva to Ollioules | 174.29 mi (280.49 km) |
| Cassa de la Selva to Olonne-sur-Mer | 394.86 mi (635.47 km) |
| Cassa de la Selva to Oloron-Sainte-Marie | 198.80 mi (319.93 km) |
| Cassa de la Selva to Onet Village | 171.68 mi (276.29 km) |
| Cassa de la Selva to Onnaing | 588.20 mi (946.62 km) |
| Cassa de la Selva to Orange | 183.58 mi (295.45 km) |
| Cassa de la Selva to Orchies | 593.46 mi (955.07 km) |
| Cassa de la Selva to Orleans | 418.14 mi (672.93 km) |
| Cassa de la Selva to Orly | 474.18 mi (763.12 km) |
| Cassa de la Selva to Ormesson-sur-Marne | 476.78 mi (767.30 km) |
| Cassa de la Selva to Orsay | 471.62 mi (759.00 km) |
