| Marton to Mangualde | 1,008.95 mi (1,623.75 km) |
| Marton to Marco de Canavezes | 976.07 mi (1,570.83 km) |
| Marton to Marinha Grande | 1,082.76 mi (1,742.54 km) |
| Marton to Massama | 1,153.74 mi (1,856.77 km) |
| Marton to Matosinhos | 984.58 mi (1,584.52 km) |
| Marton to Mealhada | 1,033.52 mi (1,663.29 km) |
| Marton to Melgaco | 916.33 mi (1,474.69 km) |
| Marton to Melres | 987.56 mi (1,589.32 km) |
| Marton to Mira | 1,034.52 mi (1,664.90 km) |
| Marton to Miranda do Corvo | 1,050.60 mi (1,690.78 km) |
| Marton to Mirandela | 942.32 mi (1,516.52 km) |
| Marton to Mogadouro | 946.58 mi (1,523.37 km) |
| Marton to Moimenta da Beira | 981.89 mi (1,580.20 km) |
| Marton to Moita | 1,156.46 mi (1,861.15 km) |
| Marton to Moncao | 922.61 mi (1,484.80 km) |
