| Asslar to Marco de Canavezes | 1,025.79 mi (1,650.85 km) |
| Asslar to Marinha Grande | 1,125.74 mi (1,811.71 km) |
| Asslar to Massama | 1,189.13 mi (1,913.72 km) |
| Asslar to Matosinhos | 1,046.19 mi (1,683.67 km) |
| Asslar to Mealhada | 1,076.32 mi (1,732.17 km) |
| Asslar to Melgaco | 985.76 mi (1,586.43 km) |
| Asslar to Melres | 1,040.70 mi (1,674.84 km) |
| Asslar to Mira | 1,084.12 mi (1,744.73 km) |
| Asslar to Miranda do Corvo | 1,086.42 mi (1,748.43 km) |
| Asslar to Mirandela | 975.56 mi (1,570.02 km) |
| Asslar to Mogadouro | 966.36 mi (1,555.21 km) |
| Asslar to Moimenta da Beira | 1,016.25 mi (1,635.50 km) |
| Asslar to Moita | 1,184.52 mi (1,906.31 km) |
| Asslar to Moncao | 995.89 mi (1,602.73 km) |
| Asslar to Montalegre | 981.67 mi (1,579.84 km) |
