| Diessen am Ammersee to Marco de Canavezes | 1,052.72 mi (1,694.19 km) |
| Diessen am Ammersee to Marinha Grande | 1,142.84 mi (1,839.23 km) |
| Diessen am Ammersee to Massama | 1,199.08 mi (1,929.73 km) |
| Diessen am Ammersee to Matosinhos | 1,076.81 mi (1,732.96 km) |
| Diessen am Ammersee to Mealhada | 1,096.58 mi (1,764.78 km) |
| Diessen am Ammersee to Melgaco | 1,024.35 mi (1,648.53 km) |
| Diessen am Ammersee to Melres | 1,068.02 mi (1,718.81 km) |
| Diessen am Ammersee to Mira | 1,106.86 mi (1,781.31 km) |
| Diessen am Ammersee to Miranda do Corvo | 1,102.91 mi (1,774.96 km) |
| Diessen am Ammersee to Mirandela | 999.19 mi (1,608.04 km) |
| Diessen am Ammersee to Mogadouro | 984.77 mi (1,584.83 km) |
| Diessen am Ammersee to Moimenta da Beira | 1,037.13 mi (1,669.10 km) |
| Diessen am Ammersee to Moita | 1,191.47 mi (1,917.48 km) |
| Diessen am Ammersee to Moncao | 1,035.33 mi (1,666.21 km) |
| Diessen am Ammersee to Montalegre | 1,013.59 mi (1,631.21 km) |
