| Altenbeken to Marco de Canavezes | 1,088.46 mi (1,751.71 km) |
| Altenbeken to Marinha Grande | 1,190.25 mi (1,915.53 km) |
| Altenbeken to Massama | 1,255.03 mi (2,019.78 km) |
| Altenbeken to Matosinhos | 1,107.75 mi (1,782.74 km) |
| Altenbeken to Mealhada | 1,140.34 mi (1,835.20 km) |
| Altenbeken to Melgaco | 1,045.62 mi (1,682.77 km) |
| Altenbeken to Melres | 1,103.16 mi (1,775.37 km) |
| Altenbeken to Mira | 1,147.48 mi (1,846.68 km) |
| Altenbeken to Miranda do Corvo | 1,151.31 mi (1,852.86 km) |
| Altenbeken to Mirandela | 1,039.45 mi (1,672.83 km) |
| Altenbeken to Mogadouro | 1,031.60 mi (1,660.20 km) |
| Altenbeken to Moimenta da Beira | 1,080.52 mi (1,738.93 km) |
| Altenbeken to Moita | 1,251.15 mi (2,013.54 km) |
| Altenbeken to Moncao | 1,055.44 mi (1,698.56 km) |
| Altenbeken to Montalegre | 1,043.37 mi (1,679.14 km) |
