| Media to Mangualde | 1,645.44 mi (2,648.08 km) |
| Media to Marco de Canavezes | 1,648.03 mi (2,652.24 km) |
| Media to Marinha Grande | 1,726.48 mi (2,778.50 km) |
| Media to Massama | 1,773.70 mi (2,854.49 km) |
| Media to Matosinhos | 1,674.35 mi (2,694.61 km) |
| Media to Mealhada | 1,684.71 mi (2,711.27 km) |
| Media to Melgaco | 1,629.43 mi (2,622.31 km) |
| Media to Melres | 1,663.16 mi (2,676.59 km) |
| Media to Mira | 1,696.83 mi (2,730.78 km) |
| Media to Miranda do Corvo | 1,687.37 mi (2,715.56 km) |
| Media to Mirandela | 1,593.63 mi (2,564.70 km) |
| Media to Mogadouro | 1,575.40 mi (2,535.36 km) |
| Media to Moimenta da Beira | 1,627.90 mi (2,619.85 km) |
| Media to Moita | 1,763.24 mi (2,837.66 km) |
| Media to Moncao | 1,640.71 mi (2,640.47 km) |
