| Dunbar to Mangualde | 1,090.11 mi (1,754.37 km) |
| Dunbar to Marco de Canavezes | 1,054.92 mi (1,697.72 km) |
| Dunbar to Marinha Grande | 1,160.44 mi (1,867.54 km) |
| Dunbar to Massama | 1,231.38 mi (1,981.72 km) |
| Dunbar to Matosinhos | 1,061.15 mi (1,707.76 km) |
| Dunbar to Mealhada | 1,112.25 mi (1,789.99 km) |
| Dunbar to Melgaco | 993.27 mi (1,598.51 km) |
| Dunbar to Melres | 1,065.55 mi (1,714.83 km) |
| Dunbar to Mira | 1,112.05 mi (1,789.68 km) |
| Dunbar to Miranda do Corvo | 1,130.15 mi (1,818.80 km) |
| Dunbar to Mirandela | 1,024.74 mi (1,649.16 km) |
| Dunbar to Mogadouro | 1,031.03 mi (1,659.29 km) |
| Dunbar to Moimenta da Beira | 1,063.18 mi (1,711.02 km) |
| Dunbar to Moita | 1,235.30 mi (1,988.02 km) |
| Dunbar to Moncao | 998.69 mi (1,607.24 km) |
