| Groesbeek to Marco de Canavezes | 989.23 mi (1,592.01 km) |
| Groesbeek to Marinha Grande | 1,093.31 mi (1,759.52 km) |
| Groesbeek to Massama | 1,160.06 mi (1,866.93 km) |
| Groesbeek to Matosinhos | 1,006.82 mi (1,620.32 km) |
| Groesbeek to Mealhada | 1,042.88 mi (1,678.36 km) |
| Groesbeek to Melgaco | 942.71 mi (1,517.14 km) |
| Groesbeek to Melres | 1,003.55 mi (1,615.06 km) |
| Groesbeek to Mira | 1,048.96 mi (1,688.14 km) |
| Groesbeek to Miranda do Corvo | 1,055.17 mi (1,698.13 km) |
| Groesbeek to Mirandela | 942.32 mi (1,516.52 km) |
| Groesbeek to Mogadouro | 936.69 mi (1,507.45 km) |
| Groesbeek to Moimenta da Beira | 983.76 mi (1,583.21 km) |
| Groesbeek to Moita | 1,157.43 mi (1,862.70 km) |
| Groesbeek to Moncao | 952.05 mi (1,532.18 km) |
| Groesbeek to Montalegre | 942.98 mi (1,517.57 km) |
