| Steinen to Marco de Canavezes | 899.95 mi (1,448.33 km) |
| Steinen to Marinha Grande | 992.41 mi (1,597.13 km) |
| Steinen to Massama | 1,050.56 mi (1,690.71 km) |
| Steinen to Matosinhos | 923.45 mi (1,486.15 km) |
| Steinen to Mealhada | 945.29 mi (1,521.30 km) |
| Steinen to Melgaco | 869.57 mi (1,399.45 km) |
| Steinen to Melres | 915.23 mi (1,472.91 km) |
| Steinen to Mira | 955.09 mi (1,537.06 km) |
| Steinen to Miranda do Corvo | 952.48 mi (1,532.87 km) |
| Steinen to Mirandela | 846.86 mi (1,362.88 km) |
| Steinen to Mogadouro | 833.45 mi (1,341.32 km) |
| Steinen to Moimenta da Beira | 885.50 mi (1,425.08 km) |
| Steinen to Moita | 1,043.70 mi (1,679.67 km) |
| Steinen to Moncao | 880.47 mi (1,416.98 km) |
| Steinen to Montalegre | 859.80 mi (1,383.72 km) |
