| Harelbeke to Marco de Canavezes | 863.50 mi (1,389.68 km) |
| Harelbeke to Marinha Grande | 968.45 mi (1,558.57 km) |
| Harelbeke to Massama | 1,036.02 mi (1,667.31 km) |
| Harelbeke to Matosinhos | 880.32 mi (1,416.73 km) |
| Harelbeke to Mealhada | 917.87 mi (1,477.17 km) |
| Harelbeke to Melgaco | 815.50 mi (1,312.42 km) |
| Harelbeke to Melres | 877.62 mi (1,412.40 km) |
| Harelbeke to Mira | 923.44 mi (1,486.14 km) |
| Harelbeke to Miranda do Corvo | 930.77 mi (1,497.92 km) |
| Harelbeke to Mirandela | 817.71 mi (1,315.98 km) |
| Harelbeke to Mogadouro | 813.23 mi (1,308.77 km) |
| Harelbeke to Moimenta da Beira | 859.22 mi (1,382.79 km) |
| Harelbeke to Moita | 1,034.02 mi (1,664.09 km) |
| Harelbeke to Moncao | 824.65 mi (1,327.14 km) |
| Harelbeke to Montalegre | 816.83 mi (1,314.56 km) |
