| Genoa to Octeville | 613.93 mi (988.02 km) |
| Genoa to Oignies | 501.87 mi (807.68 km) |
| Genoa to Oissel | 502.73 mi (809.07 km) |
| Genoa to Olivet | 412.37 mi (663.64 km) |
| Genoa to Ollioules | 177.25 mi (285.25 km) |
| Genoa to Olonne-sur-Mer | 538.59 mi (866.77 km) |
| Genoa to Oloron-Sainte-Marie | 482.78 mi (776.96 km) |
| Genoa to Onet Village | 312.94 mi (503.62 km) |
| Genoa to Onnaing | 482.18 mi (775.99 km) |
| Genoa to Orange | 204.82 mi (329.63 km) |
| Genoa to Orchies | 495.84 mi (797.97 km) |
| Genoa to Orleans | 413.49 mi (665.45 km) |
| Genoa to Orly | 431.09 mi (693.77 km) |
| Genoa to Ormesson-sur-Marne | 428.11 mi (688.97 km) |
| Genoa to Orsay | 436.09 mi (701.83 km) |
