| Heerenveen to Marco de Canavezes | 1,045.07 mi (1,681.88 km) |
| Heerenveen to Marinha Grande | 1,150.41 mi (1,851.41 km) |
| Heerenveen to Massama | 1,218.27 mi (1,960.62 km) |
| Heerenveen to Matosinhos | 1,061.32 mi (1,708.04 km) |
| Heerenveen to Mealhada | 1,099.79 mi (1,769.94 km) |
| Heerenveen to Melgaco | 995.91 mi (1,602.76 km) |
| Heerenveen to Melres | 1,059.06 mi (1,704.38 km) |
| Heerenveen to Mira | 1,105.10 mi (1,778.48 km) |
| Heerenveen to Miranda do Corvo | 1,112.93 mi (1,791.09 km) |
| Heerenveen to Mirandela | 999.85 mi (1,609.10 km) |
| Heerenveen to Mogadouro | 995.71 mi (1,602.45 km) |
| Heerenveen to Moimenta da Beira | 1,041.37 mi (1,675.92 km) |
| Heerenveen to Moita | 1,216.46 mi (1,957.70 km) |
| Heerenveen to Moncao | 1,004.83 mi (1,617.12 km) |
| Heerenveen to Montalegre | 998.15 mi (1,606.37 km) |
