| Preston to Noventa Vicentina | 863.38 mi (1,389.48 km) |
| Preston to Novi di Modena | 863.42 mi (1,389.53 km) |
| Preston to Novi Ligure | 807.19 mi (1,299.05 km) |
| Preston to Nuoro | 1,084.62 mi (1,745.53 km) |
| Preston to Occhiobello | 883.60 mi (1,422.01 km) |
| Preston to Oderzo | 870.65 mi (1,401.17 km) |
| Preston to Oggiono | 767.93 mi (1,235.86 km) |
| Preston to Olbia | 1,052.00 mi (1,693.04 km) |
| Preston to Oleggio | 756.14 mi (1,216.89 km) |
| Preston to Olgiate Comasco | 756.20 mi (1,216.99 km) |
| Preston to Olgiate Olona | 761.78 mi (1,225.96 km) |
| Preston to Omegna | 734.27 mi (1,181.70 km) |
| Preston to Opera | 785.34 mi (1,263.88 km) |
| Preston to Oppeano | 851.16 mi (1,369.80 km) |
| Preston to Orbassano | 758.42 mi (1,220.55 km) |
