| Steinheim to Marco de Canavezes | 1,098.04 mi (1,767.12 km) |
| Steinheim to Marinha Grande | 1,199.87 mi (1,931.01 km) |
| Steinheim to Massama | 1,264.68 mi (2,035.30 km) |
| Steinheim to Matosinhos | 1,117.29 mi (1,798.10 km) |
| Steinheim to Mealhada | 1,149.95 mi (1,850.67 km) |
| Steinheim to Melgaco | 1,055.12 mi (1,698.05 km) |
| Steinheim to Melres | 1,112.73 mi (1,790.77 km) |
| Steinheim to Mira | 1,157.07 mi (1,862.12 km) |
| Steinheim to Miranda do Corvo | 1,160.94 mi (1,868.36 km) |
| Steinheim to Mirandela | 1,049.06 mi (1,688.29 km) |
| Steinheim to Mogadouro | 1,041.24 mi (1,675.72 km) |
| Steinheim to Moimenta da Beira | 1,090.14 mi (1,754.41 km) |
| Steinheim to Moita | 1,260.81 mi (2,029.09 km) |
| Steinheim to Moncao | 1,064.92 mi (1,713.82 km) |
| Steinheim to Montalegre | 1,052.92 mi (1,694.51 km) |
