| Heule to Marco de Canavezes | 859.93 mi (1,383.93 km) |
| Heule to Marinha Grande | 964.91 mi (1,552.87 km) |
| Heule to Massama | 1,032.51 mi (1,661.67 km) |
| Heule to Matosinhos | 876.71 mi (1,410.92 km) |
| Heule to Mealhada | 914.33 mi (1,471.47 km) |
| Heule to Melgaco | 811.86 mi (1,306.56 km) |
| Heule to Melres | 874.04 mi (1,406.63 km) |
| Heule to Mira | 919.88 mi (1,480.40 km) |
| Heule to Miranda do Corvo | 927.25 mi (1,492.26 km) |
| Heule to Mirandela | 814.19 mi (1,310.31 km) |
| Heule to Mogadouro | 809.76 mi (1,303.19 km) |
| Heule to Moimenta da Beira | 855.70 mi (1,377.12 km) |
| Heule to Moita | 1,030.54 mi (1,658.50 km) |
| Heule to Moncao | 821.00 mi (1,321.26 km) |
| Heule to Montalegre | 813.24 mi (1,308.78 km) |
