| Nizza Monferrato to Novi di Modena | 125.01 mi (201.19 km) |
| Nizza Monferrato to Novi Ligure | 21.15 mi (34.04 km) |
| Nizza Monferrato to Nuoro | 312.01 mi (502.13 km) |
| Nizza Monferrato to Occhiobello | 158.35 mi (254.84 km) |
| Nizza Monferrato to Oderzo | 212.82 mi (342.49 km) |
| Nizza Monferrato to Oggiono | 84.83 mi (136.52 km) |
| Nizza Monferrato to Olbia | 272.79 mi (439.02 km) |
| Nizza Monferrato to Oleggio | 58.61 mi (94.33 km) |
| Nizza Monferrato to Olgiate Comasco | 75.77 mi (121.94 km) |
| Nizza Monferrato to Olgiate Olona | 64.66 mi (104.06 km) |
| Nizza Monferrato to Omegna | 76.28 mi (122.76 km) |
| Nizza Monferrato to Opera | 59.46 mi (95.69 km) |
| Nizza Monferrato to Oppeano | 142.77 mi (229.77 km) |
| Nizza Monferrato to Orbassano | 43.15 mi (69.44 km) |
| Nizza Monferrato to Orbetello | 215.55 mi (346.89 km) |
