| Sassari to Noventa Vicentina | 348.79 mi (561.32 km) |
| Sassari to Novi di Modena | 311.36 mi (501.09 km) |
| Sassari to Novi Ligure | 278.86 mi (448.77 km) |
| Sassari to Nuoro | 49.55 mi (79.75 km) |
| Sassari to Occhiobello | 327.75 mi (527.46 km) |
| Sassari to Oderzo | 401.28 mi (645.80 km) |
| Sassari to Oggiono | 351.63 mi (565.90 km) |
| Sassari to Olbia | 50.91 mi (81.94 km) |
| Sassari to Oleggio | 336.73 mi (541.92 km) |
| Sassari to Olgiate Comasco | 349.98 mi (563.23 km) |
| Sassari to Olgiate Olona | 339.41 mi (546.22 km) |
| Sassari to Omegna | 356.01 mi (572.94 km) |
| Sassari to Opera | 323.44 mi (520.53 km) |
| Sassari to Oppeano | 342.62 mi (551.39 km) |
| Sassari to Orbassano | 300.25 mi (483.21 km) |
