| Tumba to Noventa Vicentina | 996.55 mi (1,603.79 km) |
| Tumba to Novi di Modena | 1,029.92 mi (1,657.50 km) |
| Tumba to Novi Ligure | 1,066.97 mi (1,717.12 km) |
| Tumba to Nuoro | 1,355.99 mi (2,182.26 km) |
| Tumba to Occhiobello | 1,020.40 mi (1,642.18 km) |
| Tumba to Oderzo | 953.10 mi (1,533.87 km) |
| Tumba to Oggiono | 991.22 mi (1,595.21 km) |
| Tumba to Olbia | 1,313.63 mi (2,114.09 km) |
| Tumba to Oleggio | 1,014.09 mi (1,632.02 km) |
| Tumba to Olgiate Comasco | 996.95 mi (1,604.44 km) |
| Tumba to Olgiate Olona | 1,008.05 mi (1,622.31 km) |
| Tumba to Omegna | 999.53 mi (1,608.59 km) |
| Tumba to Opera | 1,019.51 mi (1,640.75 km) |
| Tumba to Oppeano | 999.36 mi (1,608.31 km) |
| Tumba to Orbassano | 1,070.43 mi (1,722.69 km) |
