| Altotting to Marco de Canavezes | 1,127.86 mi (1,815.12 km) |
| Altotting to Marinha Grande | 1,217.62 mi (1,959.57 km) |
| Altotting to Massama | 1,273.48 mi (2,049.47 km) |
| Altotting to Matosinhos | 1,152.02 mi (1,854.00 km) |
| Altotting to Mealhada | 1,171.51 mi (1,885.36 km) |
| Altotting to Melgaco | 1,099.66 mi (1,769.72 km) |
| Altotting to Melres | 1,143.17 mi (1,839.75 km) |
| Altotting to Mira | 1,181.86 mi (1,902.01 km) |
| Altotting to Miranda do Corvo | 1,177.69 mi (1,895.32 km) |
| Altotting to Mirandela | 1,074.28 mi (1,728.89 km) |
| Altotting to Mogadouro | 1,059.72 mi (1,705.46 km) |
| Altotting to Moimenta da Beira | 1,112.12 mi (1,789.79 km) |
| Altotting to Moita | 1,265.71 mi (2,036.96 km) |
| Altotting to Moncao | 1,110.64 mi (1,787.40 km) |
| Altotting to Montalegre | 1,088.83 mi (1,752.31 km) |
