| Sassari to Octeville | 789.14 mi (1,269.99 km) |
| Sassari to Oignies | 724.41 mi (1,165.82 km) |
| Sassari to Oissel | 697.27 mi (1,122.14 km) |
| Sassari to Olivet | 592.46 mi (953.48 km) |
| Sassari to Ollioules | 217.29 mi (349.69 km) |
| Sassari to Olonne-sur-Mer | 653.37 mi (1,051.50 km) |
| Sassari to Oloron-Sainte-Marie | 500.51 mi (805.49 km) |
| Sassari to Onet Village | 394.06 mi (634.17 km) |
| Sassari to Onnaing | 708.95 mi (1,140.94 km) |
| Sassari to Orange | 303.45 mi (488.35 km) |
| Sassari to Orchies | 720.39 mi (1,159.36 km) |
| Sassari to Orleans | 594.39 mi (956.58 km) |
| Sassari to Orly | 630.72 mi (1,015.05 km) |
| Sassari to Ormesson-sur-Marne | 629.85 mi (1,013.65 km) |
| Sassari to Orsay | 632.89 mi (1,018.54 km) |
