| Diedorf to Marco de Canavezes | 1,047.84 mi (1,686.34 km) |
| Diedorf to Marinha Grande | 1,139.61 mi (1,834.03 km) |
| Diedorf to Massama | 1,197.01 mi (1,926.40 km) |
| Diedorf to Matosinhos | 1,071.46 mi (1,724.35 km) |
| Diedorf to Mealhada | 1,092.78 mi (1,758.66 km) |
| Diedorf to Melgaco | 1,017.72 mi (1,637.85 km) |
| Diedorf to Melres | 1,063.12 mi (1,710.93 km) |
| Diedorf to Mira | 1,102.72 mi (1,774.66 km) |
| Diedorf to Miranda do Corvo | 1,099.67 mi (1,769.75 km) |
| Diedorf to Mirandela | 994.63 mi (1,600.70 km) |
| Diedorf to Mogadouro | 980.92 mi (1,578.64 km) |
| Diedorf to Moimenta da Beira | 1,033.08 mi (1,662.58 km) |
| Diedorf to Moita | 1,189.82 mi (1,914.83 km) |
| Diedorf to Moncao | 1,028.61 mi (1,655.38 km) |
| Diedorf to Montalegre | 1,007.88 mi (1,622.02 km) |
