| Herselt to Marco de Canavezes | 921.65 mi (1,483.26 km) |
| Herselt to Marinha Grande | 1,025.58 mi (1,650.51 km) |
| Herselt to Massama | 1,092.22 mi (1,757.77 km) |
| Herselt to Matosinhos | 939.42 mi (1,511.85 km) |
| Herselt to Mealhada | 975.17 mi (1,569.39 km) |
| Herselt to Melgaco | 875.55 mi (1,409.06 km) |
| Herselt to Melres | 936.01 mi (1,506.36 km) |
| Herselt to Mira | 981.33 mi (1,579.30 km) |
| Herselt to Miranda do Corvo | 987.38 mi (1,589.03 km) |
| Herselt to Mirandela | 874.57 mi (1,407.48 km) |
| Herselt to Mogadouro | 868.83 mi (1,398.24 km) |
| Herselt to Moimenta da Beira | 915.99 mi (1,474.15 km) |
| Herselt to Moita | 1,089.55 mi (1,753.46 km) |
| Herselt to Moncao | 884.97 mi (1,424.21 km) |
| Herselt to Montalegre | 875.50 mi (1,408.98 km) |
