| Acomb to Mangualde | 972.42 mi (1,564.96 km) |
| Acomb to Marco de Canavezes | 940.11 mi (1,512.95 km) |
| Acomb to Marinha Grande | 1,046.98 mi (1,684.96 km) |
| Acomb to Massama | 1,117.92 mi (1,799.12 km) |
| Acomb to Matosinhos | 949.15 mi (1,527.51 km) |
| Acomb to Mealhada | 997.54 mi (1,605.38 km) |
| Acomb to Melgaco | 880.89 mi (1,417.66 km) |
| Acomb to Melres | 951.79 mi (1,531.76 km) |
| Acomb to Mira | 998.82 mi (1,607.44 km) |
| Acomb to Miranda do Corvo | 1,014.41 mi (1,632.54 km) |
| Acomb to Mirandela | 905.57 mi (1,457.37 km) |
| Acomb to Mogadouro | 909.37 mi (1,463.49 km) |
| Acomb to Moimenta da Beira | 945.35 mi (1,521.40 km) |
| Acomb to Moita | 1,120.36 mi (1,803.04 km) |
| Acomb to Moncao | 887.38 mi (1,428.10 km) |
