| Permet to Marco de Canavezes | 1,487.46 mi (2,393.84 km) |
| Permet to Marinha Grande | 1,543.39 mi (2,483.85 km) |
| Permet to Massama | 1,575.48 mi (2,535.49 km) |
| Permet to Matosinhos | 1,515.85 mi (2,439.52 km) |
| Permet to Mealhada | 1,510.70 mi (2,431.23 km) |
| Permet to Melgaco | 1,486.95 mi (2,393.02 km) |
| Permet to Melres | 1,501.38 mi (2,416.23 km) |
| Permet to Mira | 1,524.87 mi (2,454.05 km) |
| Permet to Miranda do Corvo | 1,507.81 mi (2,426.59 km) |
| Permet to Mirandela | 1,435.23 mi (2,309.78 km) |
| Permet to Mogadouro | 1,412.33 mi (2,272.92 km) |
| Permet to Moimenta da Beira | 1,461.48 mi (2,352.02 km) |
| Permet to Moita | 1,561.88 mi (2,513.60 km) |
| Permet to Moncao | 1,498.10 mi (2,410.96 km) |
| Permet to Montalegre | 1,464.37 mi (2,356.68 km) |
