| Cattolica to Octeville | 782.57 mi (1,259.42 km) |
| Cattolica to Oignies | 639.91 mi (1,029.84 km) |
| Cattolica to Oissel | 664.26 mi (1,069.02 km) |
| Cattolica to Olivet | 585.49 mi (942.26 km) |
| Cattolica to Ollioules | 349.43 mi (562.35 km) |
| Cattolica to Olonne-sur-Mer | 726.43 mi (1,169.08 km) |
| Cattolica to Oloron-Sainte-Marie | 669.08 mi (1,076.79 km) |
| Cattolica to Onet Village | 502.98 mi (809.47 km) |
| Cattolica to Onnaing | 616.30 mi (991.84 km) |
| Cattolica to Orange | 393.49 mi (633.27 km) |
| Cattolica to Orchies | 631.88 mi (1,016.91 km) |
| Cattolica to Orleans | 586.20 mi (943.40 km) |
| Cattolica to Orly | 592.58 mi (953.67 km) |
| Cattolica to Ormesson-sur-Marne | 588.32 mi (946.81 km) |
| Cattolica to Orsay | 599.16 mi (964.26 km) |
