| San Pietro Vernotico to Octeville | 1,144.81 mi (1,842.40 km) |
| San Pietro Vernotico to Oignies | 1,000.53 mi (1,610.20 km) |
| San Pietro Vernotico to Oissel | 1,027.24 mi (1,653.18 km) |
| San Pietro Vernotico to Olivet | 946.08 mi (1,522.57 km) |
| San Pietro Vernotico to Ollioules | 653.99 mi (1,052.50 km) |
| San Pietro Vernotico to Olonne-sur-Mer | 1,074.02 mi (1,728.47 km) |
| San Pietro Vernotico to Oloron-Sainte-Marie | 976.31 mi (1,571.22 km) |
| San Pietro Vernotico to Onet Village | 831.17 mi (1,337.63 km) |
| San Pietro Vernotico to Onnaing | 976.18 mi (1,571.01 km) |
| San Pietro Vernotico to Orange | 721.09 mi (1,160.49 km) |
| San Pietro Vernotico to Orchies | 992.09 mi (1,596.62 km) |
| San Pietro Vernotico to Orleans | 946.93 mi (1,523.94 km) |
| San Pietro Vernotico to Orly | 955.48 mi (1,537.70 km) |
| San Pietro Vernotico to Ormesson-sur-Marne | 951.30 mi (1,530.97 km) |
| San Pietro Vernotico to Orsay | 961.94 mi (1,548.09 km) |
