| Rum to Marco de Canavezes | 1,054.59 mi (1,697.20 km) |
| Rum to Marinha Grande | 1,142.01 mi (1,837.89 km) |
| Rum to Massama | 1,196.36 mi (1,925.36 km) |
| Rum to Matosinhos | 1,079.37 mi (1,737.08 km) |
| Rum to Mealhada | 1,096.70 mi (1,764.97 km) |
| Rum to Melgaco | 1,029.01 mi (1,656.03 km) |
| Rum to Melres | 1,069.89 mi (1,721.82 km) |
| Rum to Mira | 1,107.48 mi (1,782.31 km) |
| Rum to Miranda do Corvo | 1,102.15 mi (1,773.74 km) |
| Rum to Mirandela | 1,000.66 mi (1,610.40 km) |
| Rum to Mogadouro | 985.17 mi (1,585.47 km) |
| Rum to Moimenta da Beira | 1,037.74 mi (1,670.09 km) |
| Rum to Moita | 1,188.11 mi (1,912.08 km) |
| Rum to Moncao | 1,040.11 mi (1,673.90 km) |
| Rum to Montalegre | 1,016.82 mi (1,636.41 km) |
