| Kortenberg to Marco de Canavezes | 902.65 mi (1,452.68 km) |
| Kortenberg to Marinha Grande | 1,006.64 mi (1,620.03 km) |
| Kortenberg to Massama | 1,073.35 mi (1,727.39 km) |
| Kortenberg to Matosinhos | 920.38 mi (1,481.21 km) |
| Kortenberg to Mealhada | 956.22 mi (1,538.89 km) |
| Kortenberg to Melgaco | 856.48 mi (1,378.36 km) |
| Kortenberg to Melres | 917.00 mi (1,475.77 km) |
| Kortenberg to Mira | 962.35 mi (1,548.75 km) |
| Kortenberg to Miranda do Corvo | 968.47 mi (1,558.60 km) |
| Kortenberg to Mirandela | 855.64 mi (1,377.02 km) |
| Kortenberg to Mogadouro | 849.98 mi (1,367.91 km) |
| Kortenberg to Moimenta da Beira | 897.07 mi (1,443.70 km) |
| Kortenberg to Moita | 1,070.72 mi (1,723.16 km) |
| Kortenberg to Moncao | 865.89 mi (1,393.51 km) |
| Kortenberg to Montalegre | 856.47 mi (1,378.36 km) |
