| Dongen to Marco de Canavezes | 950.94 mi (1,530.39 km) |
| Dongen to Marinha Grande | 1,055.57 mi (1,698.77 km) |
| Dongen to Massama | 1,122.81 mi (1,806.99 km) |
| Dongen to Matosinhos | 968.03 mi (1,557.89 km) |
| Dongen to Mealhada | 1,005.04 mi (1,617.46 km) |
| Dongen to Melgaco | 903.43 mi (1,453.92 km) |
| Dongen to Melres | 965.13 mi (1,553.23 km) |
| Dongen to Mira | 1,010.81 mi (1,626.74 km) |
| Dongen to Miranda do Corvo | 1,017.69 mi (1,637.82 km) |
| Dongen to Mirandela | 904.70 mi (1,455.97 km) |
| Dongen to Mogadouro | 899.73 mi (1,447.97 km) |
| Dongen to Moimenta da Beira | 946.19 mi (1,522.75 km) |
| Dongen to Moita | 1,120.54 mi (1,803.34 km) |
| Dongen to Moncao | 912.63 mi (1,468.74 km) |
| Dongen to Montalegre | 904.41 mi (1,455.50 km) |
