| Montemor-o-Velho to Noventa Vicentina | 1,081.85 mi (1,741.07 km) |
| Montemor-o-Velho to Novi di Modena | 1,046.21 mi (1,683.71 km) |
| Montemor-o-Velho to Novi Ligure | 942.98 mi (1,517.58 km) |
| Montemor-o-Velho to Nuoro | 948.62 mi (1,526.66 km) |
| Montemor-o-Velho to Occhiobello | 1,079.26 mi (1,736.90 km) |
| Montemor-o-Velho to Oderzo | 1,134.50 mi (1,825.79 km) |
| Montemor-o-Velho to Oggiono | 987.96 mi (1,589.96 km) |
| Montemor-o-Velho to Olbia | 954.42 mi (1,535.99 km) |
| Montemor-o-Velho to Oleggio | 951.18 mi (1,530.77 km) |
| Montemor-o-Velho to Olgiate Comasco | 970.29 mi (1,561.53 km) |
| Montemor-o-Velho to Olgiate Olona | 963.40 mi (1,550.45 km) |
| Montemor-o-Velho to Omegna | 946.66 mi (1,523.50 km) |
| Montemor-o-Velho to Opera | 974.12 mi (1,567.70 km) |
| Montemor-o-Velho to Oppeano | 1,065.46 mi (1,714.69 km) |
| Montemor-o-Velho to Orbassano | 888.35 mi (1,429.66 km) |
