| Middle Valley to Noventa Vicentina | 4,836.18 mi (7,783.07 km) |
| Middle Valley to Novi di Modena | 4,823.03 mi (7,761.91 km) |
| Middle Valley to Novi Ligure | 4,737.30 mi (7,623.95 km) |
| Middle Valley to Nuoro | 4,913.71 mi (7,907.85 km) |
| Middle Valley to Occhiobello | 4,850.81 mi (7,806.63 km) |
| Middle Valley to Oderzo | 4,858.78 mi (7,819.45 km) |
| Middle Valley to Oggiono | 4,727.21 mi (7,607.72 km) |
| Middle Valley to Olbia | 4,900.19 mi (7,886.09 km) |
| Middle Valley to Oleggio | 4,702.93 mi (7,568.63 km) |
| Middle Valley to Olgiate Comasco | 4,711.02 mi (7,581.65 km) |
| Middle Valley to Olgiate Olona | 4,712.44 mi (7,583.95 km) |
| Middle Valley to Omegna | 4,684.20 mi (7,538.48 km) |
| Middle Valley to Opera | 4,734.90 mi (7,620.09 km) |
| Middle Valley to Oppeano | 4,820.89 mi (7,758.47 km) |
| Middle Valley to Orbassano | 4,675.39 mi (7,524.31 km) |
