| Oleggio to Marco de Canavezes | 894.15 mi (1,439.00 km) |
| Oleggio to Marinha Grande | 976.90 mi (1,572.17 km) |
| Oleggio to Massama | 1,028.48 mi (1,655.17 km) |
| Oleggio to Matosinhos | 920.00 mi (1,480.59 km) |
| Oleggio to Mealhada | 933.21 mi (1,501.86 km) |
| Oleggio to Melgaco | 873.80 mi (1,406.24 km) |
| Oleggio to Melres | 909.37 mi (1,463.49 km) |
| Oleggio to Mira | 944.72 mi (1,520.38 km) |
| Oleggio to Miranda do Corvo | 937.29 mi (1,508.42 km) |
| Oleggio to Mirandela | 839.82 mi (1,351.56 km) |
| Oleggio to Mogadouro | 822.63 mi (1,323.89 km) |
| Oleggio to Moimenta da Beira | 875.29 mi (1,408.64 km) |
| Oleggio to Moita | 1,019.43 mi (1,640.61 km) |
| Oleggio to Moncao | 885.07 mi (1,424.37 km) |
| Oleggio to Montalegre | 859.00 mi (1,382.43 km) |
