| Nairn to Noventa Vicentina | 1,073.03 mi (1,726.87 km) |
| Nairn to Novi di Modena | 1,080.02 mi (1,738.13 km) |
| Nairn to Novi Ligure | 1,038.33 mi (1,671.03 km) |
| Nairn to Nuoro | 1,329.70 mi (2,139.95 km) |
| Nairn to Occhiobello | 1,095.49 mi (1,763.03 km) |
| Nairn to Oderzo | 1,069.78 mi (1,721.64 km) |
| Nairn to Oggiono | 989.04 mi (1,591.71 km) |
| Nairn to Olbia | 1,294.64 mi (2,083.53 km) |
| Nairn to Oleggio | 983.39 mi (1,582.61 km) |
| Nairn to Olgiate Comasco | 979.98 mi (1,577.12 km) |
| Nairn to Olgiate Olona | 987.11 mi (1,588.60 km) |
| Nairn to Omegna | 961.29 mi (1,547.05 km) |
| Nairn to Opera | 1,010.01 mi (1,625.46 km) |
| Nairn to Oppeano | 1,063.06 mi (1,710.83 km) |
| Nairn to Orbassano | 996.06 mi (1,603.00 km) |
