| Alsdorf to Marco de Canavezes | 956.42 mi (1,539.21 km) |
| Alsdorf to Marinha Grande | 1,059.00 mi (1,704.29 km) |
| Alsdorf to Massama | 1,124.50 mi (1,809.71 km) |
| Alsdorf to Matosinhos | 975.24 mi (1,569.50 km) |
| Alsdorf to Mealhada | 1,008.88 mi (1,623.64 km) |
| Alsdorf to Melgaco | 912.59 mi (1,468.67 km) |
| Alsdorf to Melres | 971.02 mi (1,562.70 km) |
| Alsdorf to Mira | 1,015.69 mi (1,634.59 km) |
| Alsdorf to Miranda do Corvo | 1,020.30 mi (1,642.02 km) |
| Alsdorf to Mirandela | 908.02 mi (1,461.32 km) |
| Alsdorf to Mogadouro | 900.93 mi (1,449.91 km) |
| Alsdorf to Moimenta da Beira | 949.25 mi (1,527.67 km) |
| Alsdorf to Moita | 1,121.09 mi (1,804.22 km) |
| Alsdorf to Moncao | 922.30 mi (1,484.30 km) |
| Alsdorf to Montalegre | 910.97 mi (1,466.06 km) |
