| Union to Noventa Vicentina | 4,919.52 mi (7,917.20 km) |
| Union to Novi di Modena | 4,910.40 mi (7,902.53 km) |
| Union to Novi Ligure | 4,831.16 mi (7,775.01 km) |
| Union to Nuoro | 5,032.13 mi (8,098.43 km) |
| Union to Occhiobello | 4,936.16 mi (7,943.99 km) |
| Union to Oderzo | 4,936.57 mi (7,944.64 km) |
| Union to Oggiono | 4,813.40 mi (7,746.42 km) |
| Union to Olbia | 5,014.69 mi (8,070.37 km) |
| Union to Oleggio | 4,792.10 mi (7,712.14 km) |
| Union to Olgiate Comasco | 4,798.20 mi (7,721.96 km) |
| Union to Olgiate Olona | 4,800.76 mi (7,726.08 km) |
| Union to Omegna | 4,772.25 mi (7,680.20 km) |
| Union to Opera | 4,823.86 mi (7,763.25 km) |
| Union to Oppeano | 4,905.08 mi (7,893.97 km) |
| Union to Orbassano | 4,771.02 mi (7,678.21 km) |
