| Piedmont to Noventa Vicentina | 6,015.14 mi (9,680.43 km) |
| Piedmont to Novi di Modena | 6,019.48 mi (9,687.42 km) |
| Piedmont to Novi Ligure | 5,966.11 mi (9,601.52 km) |
| Piedmont to Nuoro | 6,229.61 mi (10,025.58 km) |
| Piedmont to Occhiobello | 6,036.99 mi (9,715.59 km) |
| Piedmont to Oderzo | 6,013.13 mi (9,677.19 km) |
| Piedmont to Oggiono | 5,925.55 mi (9,536.26 km) |
| Piedmont to Olbia | 6,201.30 mi (9,980.04 km) |
| Piedmont to Oleggio | 5,915.11 mi (9,519.46 km) |
| Piedmont to Olgiate Comasco | 5,914.58 mi (9,518.59 km) |
| Piedmont to Olgiate Olona | 5,920.50 mi (9,528.12 km) |
| Piedmont to Omegna | 5,893.19 mi (9,484.18 km) |
| Piedmont to Opera | 5,943.98 mi (9,565.92 km) |
| Piedmont to Oppeano | 6,004.44 mi (9,663.22 km) |
| Piedmont to Orbassano | 5,915.56 mi (9,520.18 km) |
