| Dent to Mangualde | 3,938.28 mi (6,338.05 km) |
| Dent to Marco de Canavezes | 3,902.69 mi (6,280.77 km) |
| Dent to Marinha Grande | 3,908.30 mi (6,289.80 km) |
| Dent to Massama | 3,922.03 mi (6,311.90 km) |
| Dent to Matosinhos | 3,876.81 mi (6,239.12 km) |
| Dent to Mealhada | 3,912.31 mi (6,296.25 km) |
| Dent to Melgaco | 3,869.96 mi (6,228.10 km) |
| Dent to Melres | 3,894.37 mi (6,267.38 km) |
| Dent to Mira | 3,897.37 mi (6,272.22 km) |
| Dent to Miranda do Corvo | 3,926.36 mi (6,318.87 km) |
| Dent to Mirandela | 3,939.09 mi (6,339.35 km) |
| Dent to Mogadouro | 3,965.35 mi (6,381.62 km) |
| Dent to Moimenta da Beira | 3,933.96 mi (6,331.10 km) |
| Dent to Moita | 3,939.39 mi (6,339.84 km) |
| Dent to Moncao | 3,861.28 mi (6,214.12 km) |
