| Illertissen to Marco de Canavezes | 1,015.23 mi (1,633.85 km) |
| Illertissen to Marinha Grande | 1,107.20 mi (1,781.86 km) |
| Illertissen to Massama | 1,164.79 mi (1,874.54 km) |
| Illertissen to Matosinhos | 1,038.81 mi (1,671.80 km) |
| Illertissen to Mealhada | 1,060.29 mi (1,706.37 km) |
| Illertissen to Melgaco | 984.99 mi (1,585.19 km) |
| Illertissen to Melres | 1,030.51 mi (1,658.45 km) |
| Illertissen to Mira | 1,070.19 mi (1,722.30 km) |
| Illertissen to Miranda do Corvo | 1,067.26 mi (1,717.58 km) |
| Illertissen to Mirandela | 962.05 mi (1,548.28 km) |
| Illertissen to Mogadouro | 948.43 mi (1,526.35 km) |
| Illertissen to Moimenta da Beira | 1,000.56 mi (1,610.25 km) |
| Illertissen to Moita | 1,157.68 mi (1,863.10 km) |
| Illertissen to Moncao | 995.88 mi (1,602.71 km) |
| Illertissen to Montalegre | 975.20 mi (1,569.43 km) |
