| Valongo to Noventa Vicentina | 1,044.40 mi (1,680.81 km) |
| Valongo to Novi di Modena | 1,010.01 mi (1,625.46 km) |
| Valongo to Novi Ligure | 906.15 mi (1,458.31 km) |
| Valongo to Nuoro | 933.72 mi (1,502.68 km) |
| Valongo to Occhiobello | 1,043.26 mi (1,678.97 km) |
| Valongo to Oderzo | 1,095.65 mi (1,763.27 km) |
| Valongo to Oggiono | 947.17 mi (1,524.32 km) |
| Valongo to Olbia | 936.41 mi (1,507.01 km) |
| Valongo to Oleggio | 910.59 mi (1,465.45 km) |
| Valongo to Olgiate Comasco | 929.21 mi (1,495.42 km) |
| Valongo to Olgiate Olona | 922.87 mi (1,485.22 km) |
| Valongo to Omegna | 904.72 mi (1,456.01 km) |
| Valongo to Opera | 934.89 mi (1,504.55 km) |
| Valongo to Oppeano | 1,027.77 mi (1,654.04 km) |
| Valongo to Orbassano | 849.46 mi (1,367.08 km) |
