| Donaueschingen to Marco de Canavezes | 940.93 mi (1,514.28 km) |
| Donaueschingen to Marinha Grande | 1,033.62 mi (1,663.45 km) |
| Donaueschingen to Massama | 1,091.85 mi (1,757.15 km) |
| Donaueschingen to Matosinhos | 964.33 mi (1,551.94 km) |
| Donaueschingen to Mealhada | 986.44 mi (1,587.52 km) |
| Donaueschingen to Melgaco | 910.14 mi (1,464.73 km) |
| Donaueschingen to Melres | 956.20 mi (1,538.86 km) |
| Donaueschingen to Mira | 996.18 mi (1,603.20 km) |
| Donaueschingen to Miranda do Corvo | 993.69 mi (1,599.19 km) |
| Donaueschingen to Mirandela | 887.90 mi (1,428.94 km) |
| Donaueschingen to Mogadouro | 874.61 mi (1,407.55 km) |
| Donaueschingen to Moimenta da Beira | 926.62 mi (1,491.26 km) |
| Donaueschingen to Moita | 1,085.00 mi (1,746.14 km) |
| Donaueschingen to Moncao | 921.01 mi (1,482.22 km) |
| Donaueschingen to Montalegre | 900.61 mi (1,449.40 km) |
