| Grossrohrsdorf to Marco de Canavezes | 1,256.78 mi (2,022.60 km) |
| Grossrohrsdorf to Marinha Grande | 1,353.60 mi (2,178.40 km) |
| Grossrohrsdorf to Massama | 1,414.41 mi (2,276.27 km) |
| Grossrohrsdorf to Matosinhos | 1,278.54 mi (2,057.62 km) |
| Grossrohrsdorf to Mealhada | 1,305.14 mi (2,100.43 km) |
| Grossrohrsdorf to Melgaco | 1,220.38 mi (1,964.00 km) |
| Grossrohrsdorf to Melres | 1,271.90 mi (2,046.93 km) |
| Grossrohrsdorf to Mira | 1,313.90 mi (2,114.51 km) |
| Grossrohrsdorf to Miranda do Corvo | 1,313.86 mi (2,114.45 km) |
| Grossrohrsdorf to Mirandela | 1,205.11 mi (1,939.43 km) |
| Grossrohrsdorf to Mogadouro | 1,193.90 mi (1,921.39 km) |
| Grossrohrsdorf to Moimenta da Beira | 1,245.01 mi (2,003.64 km) |
| Grossrohrsdorf to Moita | 1,408.52 mi (2,266.80 km) |
| Grossrohrsdorf to Moncao | 1,230.81 mi (1,980.80 km) |
| Grossrohrsdorf to Montalegre | 1,214.13 mi (1,953.96 km) |
