| North Valley to Noventa Vicentina | 5,670.54 mi (9,125.86 km) |
| North Valley to Novi di Modena | 5,666.45 mi (9,119.27 km) |
| North Valley to Novi Ligure | 5,595.99 mi (9,005.88 km) |
| North Valley to Nuoro | 5,822.17 mi (9,369.87 km) |
| North Valley to Occhiobello | 5,689.40 mi (9,156.20 km) |
| North Valley to Oderzo | 5,680.47 mi (9,141.84 km) |
| North Valley to Oggiono | 5,569.37 mi (8,963.03 km) |
| North Valley to Olbia | 5,800.66 mi (9,335.26 km) |
| North Valley to Oleggio | 5,551.93 mi (8,934.97 km) |
| North Valley to Olgiate Comasco | 5,555.58 mi (8,940.85 km) |
| North Valley to Olgiate Olona | 5,559.46 mi (8,947.08 km) |
| North Valley to Omegna | 5,531.04 mi (8,901.35 km) |
| North Valley to Opera | 5,583.00 mi (8,984.97 km) |
| North Valley to Oppeano | 5,657.35 mi (9,104.63 km) |
| North Valley to Orbassano | 5,538.71 mi (8,913.70 km) |
