| Heilbad Heiligenstadt to Marco de Canavezes | 1,116.65 mi (1,797.07 km) |
| Heilbad Heiligenstadt to Marinha Grande | 1,216.80 mi (1,958.26 km) |
| Heilbad Heiligenstadt to Massama | 1,280.27 mi (2,060.40 km) |
| Heilbad Heiligenstadt to Matosinhos | 1,136.89 mi (1,829.65 km) |
| Heilbad Heiligenstadt to Mealhada | 1,167.33 mi (1,878.64 km) |
| Heilbad Heiligenstadt to Melgaco | 1,076.15 mi (1,731.89 km) |
| Heilbad Heiligenstadt to Melres | 1,131.53 mi (1,821.02 km) |
| Heilbad Heiligenstadt to Mira | 1,175.07 mi (1,891.09 km) |
| Heilbad Heiligenstadt to Miranda do Corvo | 1,177.51 mi (1,895.02 km) |
| Heilbad Heiligenstadt to Mirandela | 1,066.55 mi (1,716.45 km) |
| Heilbad Heiligenstadt to Mogadouro | 1,057.46 mi (1,701.82 km) |
| Heilbad Heiligenstadt to Moimenta da Beira | 1,107.28 mi (1,782.00 km) |
| Heilbad Heiligenstadt to Moita | 1,275.68 mi (2,053.01 km) |
| Heilbad Heiligenstadt to Moncao | 1,086.22 mi (1,748.10 km) |
| Heilbad Heiligenstadt to Montalegre | 1,072.38 mi (1,725.83 km) |
