| Amstetten to Marco de Canavezes | 1,222.61 mi (1,967.61 km) |
| Amstetten to Marinha Grande | 1,310.48 mi (2,109.02 km) |
| Amstetten to Massama | 1,364.87 mi (2,196.54 km) |
| Amstetten to Matosinhos | 1,247.21 mi (2,007.20 km) |
| Amstetten to Mealhada | 1,265.07 mi (2,035.93 km) |
| Amstetten to Melgaco | 1,196.09 mi (1,924.93 km) |
| Amstetten to Melres | 1,237.92 mi (1,992.23 km) |
| Amstetten to Mira | 1,275.77 mi (2,053.15 km) |
| Amstetten to Miranda do Corvo | 1,270.61 mi (2,044.86 km) |
| Amstetten to Mirandela | 1,168.76 mi (1,880.94 km) |
| Amstetten to Mogadouro | 1,153.48 mi (1,856.34 km) |
| Amstetten to Moimenta da Beira | 1,206.03 mi (1,940.91 km) |
| Amstetten to Moita | 1,356.58 mi (2,183.20 km) |
| Amstetten to Moncao | 1,207.15 mi (1,942.72 km) |
| Amstetten to Montalegre | 1,184.44 mi (1,906.17 km) |
