| Matosinhos to Noventa Vicentina | 1,054.02 mi (1,696.28 km) |
| Matosinhos to Novi di Modena | 1,019.71 mi (1,641.07 km) |
| Matosinhos to Novi Ligure | 915.83 mi (1,473.88 km) |
| Matosinhos to Nuoro | 944.11 mi (1,519.40 km) |
| Matosinhos to Occhiobello | 1,052.97 mi (1,694.60 km) |
| Matosinhos to Oderzo | 1,105.16 mi (1,778.58 km) |
| Matosinhos to Oggiono | 956.55 mi (1,539.42 km) |
| Matosinhos to Olbia | 946.77 mi (1,523.68 km) |
| Matosinhos to Oleggio | 920.00 mi (1,480.59 km) |
| Matosinhos to Olgiate Comasco | 938.57 mi (1,510.49 km) |
| Matosinhos to Olgiate Olona | 932.28 mi (1,500.37 km) |
| Matosinhos to Omegna | 914.03 mi (1,470.98 km) |
| Matosinhos to Opera | 944.39 mi (1,519.85 km) |
| Matosinhos to Oppeano | 1,037.37 mi (1,669.49 km) |
| Matosinhos to Orbassano | 859.01 mi (1,382.44 km) |
