| Montalegre to Mangualde | 84.23 mi (135.56 km) |
| Montalegre to Marco de Canavezes | 47.94 mi (77.15 km) |
| Montalegre to Marinha Grande | 155.18 mi (249.75 km) |
| Montalegre to Massama | 225.81 mi (363.41 km) |
| Montalegre to Matosinhos | 64.52 mi (103.84 km) |
| Montalegre to Mealhada | 105.22 mi (169.33 km) |
| Montalegre to Melgaco | 31.73 mi (51.07 km) |
| Montalegre to Melres | 61.02 mi (98.21 km) |
| Montalegre to Mira | 107.81 mi (173.50 km) |
| Montalegre to Miranda do Corvo | 122.36 mi (196.92 km) |
| Montalegre to Mirandela | 39.20 mi (63.08 km) |
| Montalegre to Mogadouro | 65.06 mi (104.70 km) |
| Montalegre to Moimenta da Beira | 59.00 mi (94.95 km) |
| Montalegre to Moita | 228.06 mi (367.03 km) |
| Montalegre to Moncao | 39.37 mi (63.36 km) |
