| Porto de Mos to Noventa Vicentina | 1,105.68 mi (1,779.42 km) |
| Porto de Mos to Novi di Modena | 1,069.45 mi (1,721.12 km) |
| Porto de Mos to Novi Ligure | 966.70 mi (1,555.75 km) |
| Porto de Mos to Nuoro | 960.85 mi (1,546.34 km) |
| Porto de Mos to Occhiobello | 1,102.35 mi (1,774.07 km) |
| Porto de Mos to Oderzo | 1,158.98 mi (1,865.20 km) |
| Porto de Mos to Oggiono | 1,013.61 mi (1,631.25 km) |
| Porto de Mos to Olbia | 968.31 mi (1,558.34 km) |
| Porto de Mos to Oleggio | 976.79 mi (1,571.99 km) |
| Porto de Mos to Olgiate Comasco | 996.12 mi (1,603.11 km) |
| Porto de Mos to Olgiate Olona | 988.97 mi (1,591.59 km) |
| Porto de Mos to Omegna | 972.96 mi (1,565.82 km) |
| Porto de Mos to Opera | 999.02 mi (1,607.76 km) |
| Porto de Mos to Oppeano | 1,089.44 mi (1,753.28 km) |
| Porto de Mos to Orbassano | 913.20 mi (1,469.66 km) |
