| Struer to Marco de Canavezes | 1,295.41 mi (2,084.77 km) |
| Struer to Marinha Grande | 1,401.96 mi (2,256.23 km) |
| Struer to Massama | 1,471.06 mi (2,367.45 km) |
| Struer to Matosinhos | 1,309.71 mi (2,107.78 km) |
| Struer to Mealhada | 1,351.30 mi (2,174.71 km) |
| Struer to Melgaco | 1,242.86 mi (2,000.19 km) |
| Struer to Melres | 1,308.86 mi (2,106.41 km) |
| Struer to Mira | 1,355.54 mi (2,181.52 km) |
| Struer to Miranda do Corvo | 1,365.53 mi (2,197.61 km) |
| Struer to Mirandela | 1,252.66 mi (2,015.96 km) |
| Struer to Mogadouro | 1,250.43 mi (2,012.38 km) |
| Struer to Moimenta da Beira | 1,294.08 mi (2,082.62 km) |
| Struer to Moita | 1,470.33 mi (2,366.26 km) |
| Struer to Moncao | 1,251.11 mi (2,013.46 km) |
| Struer to Montalegre | 1,247.85 mi (2,008.22 km) |
