| Arcos de Valdevez to Noventa Vicentina | 1,023.82 mi (1,647.67 km) |
| Arcos de Valdevez to Novi di Modena | 990.37 mi (1,593.85 km) |
| Arcos de Valdevez to Novi Ligure | 886.32 mi (1,426.39 km) |
| Arcos de Valdevez to Nuoro | 928.87 mi (1,494.87 km) |
| Arcos de Valdevez to Occhiobello | 1,023.70 mi (1,647.48 km) |
| Arcos de Valdevez to Oderzo | 1,073.98 mi (1,728.40 km) |
| Arcos de Valdevez to Oggiono | 924.42 mi (1,487.70 km) |
| Arcos de Valdevez to Olbia | 929.47 mi (1,495.83 km) |
| Arcos de Valdevez to Oleggio | 888.06 mi (1,429.20 km) |
| Arcos de Valdevez to Olgiate Comasco | 906.29 mi (1,458.53 km) |
| Arcos de Valdevez to Olgiate Olona | 900.36 mi (1,448.99 km) |
| Arcos de Valdevez to Omegna | 881.25 mi (1,418.23 km) |
| Arcos de Valdevez to Opera | 913.27 mi (1,469.76 km) |
| Arcos de Valdevez to Oppeano | 1,007.05 mi (1,620.68 km) |
| Arcos de Valdevez to Orbassano | 828.32 mi (1,333.06 km) |
