| Barssel to Marco de Canavezes | 1,110.08 mi (1,786.50 km) |
| Barssel to Marinha Grande | 1,214.59 mi (1,954.70 km) |
| Barssel to Massama | 1,281.66 mi (2,062.63 km) |
| Barssel to Matosinhos | 1,127.20 mi (1,814.06 km) |
| Barssel to Mealhada | 1,164.09 mi (1,873.42 km) |
| Barssel to Melgaco | 1,062.56 mi (1,710.02 km) |
| Barssel to Melres | 1,124.29 mi (1,809.37 km) |
| Barssel to Mira | 1,169.93 mi (1,882.81 km) |
| Barssel to Miranda do Corvo | 1,176.63 mi (1,893.60 km) |
| Barssel to Mirandela | 1,063.68 mi (1,711.82 km) |
| Barssel to Mogadouro | 1,058.44 mi (1,703.39 km) |
| Barssel to Moimenta da Beira | 1,105.15 mi (1,778.57 km) |
| Barssel to Moita | 1,279.23 mi (2,058.72 km) |
| Barssel to Moncao | 1,071.73 mi (1,724.79 km) |
| Barssel to Montalegre | 1,063.58 mi (1,711.66 km) |
