| Arnsberg to Marco de Canavezes | 1,043.36 mi (1,679.13 km) |
| Arnsberg to Marinha Grande | 1,145.17 mi (1,842.97 km) |
| Arnsberg to Massama | 1,209.99 mi (1,947.30 km) |
| Arnsberg to Matosinhos | 1,062.66 mi (1,710.18 km) |
| Arnsberg to Mealhada | 1,095.25 mi (1,762.64 km) |
| Arnsberg to Melgaco | 1,000.58 mi (1,610.28 km) |
| Arnsberg to Melres | 1,058.06 mi (1,702.79 km) |
| Arnsberg to Mira | 1,102.38 mi (1,774.11 km) |
| Arnsberg to Miranda do Corvo | 1,106.24 mi (1,780.33 km) |
| Arnsberg to Mirandela | 994.36 mi (1,600.26 km) |
| Arnsberg to Mogadouro | 986.55 mi (1,587.70 km) |
| Arnsberg to Moimenta da Beira | 1,035.44 mi (1,666.38 km) |
| Arnsberg to Moita | 1,206.15 mi (1,941.12 km) |
| Arnsberg to Moncao | 1,010.41 mi (1,626.09 km) |
| Arnsberg to Montalegre | 998.28 mi (1,606.57 km) |
