| Duren to Marco de Canavezes | 963.66 mi (1,550.87 km) |
| Duren to Marinha Grande | 1,065.82 mi (1,715.27 km) |
| Duren to Massama | 1,130.98 mi (1,820.14 km) |
| Duren to Matosinhos | 982.77 mi (1,581.62 km) |
| Duren to Mealhada | 1,015.81 mi (1,634.78 km) |
| Duren to Melgaco | 920.50 mi (1,481.40 km) |
| Duren to Melres | 978.32 mi (1,574.46 km) |
| Duren to Mira | 1,022.79 mi (1,646.02 km) |
| Duren to Miranda do Corvo | 1,027.00 mi (1,652.80 km) |
| Duren to Mirandela | 914.92 mi (1,472.42 km) |
| Duren to Mogadouro | 907.45 mi (1,460.40 km) |
| Duren to Moimenta da Beira | 956.07 mi (1,538.65 km) |
| Duren to Moita | 1,127.36 mi (1,814.30 km) |
| Duren to Moncao | 930.29 mi (1,497.16 km) |
| Duren to Montalegre | 918.43 mi (1,478.07 km) |
