| Arnstadt to Marco de Canavezes | 1,127.84 mi (1,815.09 km) |
| Arnstadt to Marinha Grande | 1,226.23 mi (1,973.42 km) |
| Arnstadt to Massama | 1,288.33 mi (2,073.37 km) |
| Arnstadt to Matosinhos | 1,148.97 mi (1,849.08 km) |
| Arnstadt to Mealhada | 1,177.27 mi (1,894.64 km) |
| Arnstadt to Melgaco | 1,089.70 mi (1,753.70 km) |
| Arnstadt to Melres | 1,142.87 mi (1,839.27 km) |
| Arnstadt to Mira | 1,185.58 mi (1,908.00 km) |
| Arnstadt to Miranda do Corvo | 1,186.66 mi (1,909.74 km) |
| Arnstadt to Mirandela | 1,076.82 mi (1,732.97 km) |
| Arnstadt to Mogadouro | 1,066.55 mi (1,716.45 km) |
| Arnstadt to Moimenta da Beira | 1,117.12 mi (1,797.84 km) |
| Arnstadt to Moita | 1,283.07 mi (2,064.90 km) |
| Arnstadt to Moncao | 1,100.00 mi (1,770.28 km) |
| Arnstadt to Montalegre | 1,084.47 mi (1,745.28 km) |
