| Herne to Marco de Canavezes | 1,020.69 mi (1,642.64 km) |
| Herne to Marinha Grande | 1,123.47 mi (1,808.04 km) |
| Herne to Massama | 1,189.09 mi (1,913.65 km) |
| Herne to Matosinhos | 1,039.33 mi (1,672.64 km) |
| Herne to Mealhada | 1,073.31 mi (1,727.33 km) |
| Herne to Melgaco | 976.41 mi (1,571.38 km) |
| Herne to Melres | 1,035.25 mi (1,666.08 km) |
| Herne to Mira | 1,080.03 mi (1,738.14 km) |
| Herne to Miranda do Corvo | 1,084.82 mi (1,745.85 km) |
| Herne to Mirandela | 972.47 mi (1,565.04 km) |
| Herne to Mogadouro | 965.51 mi (1,553.84 km) |
| Herne to Moimenta da Beira | 1,013.72 mi (1,631.43 km) |
| Herne to Moita | 1,185.72 mi (1,908.24 km) |
| Herne to Moncao | 986.05 mi (1,586.90 km) |
| Herne to Montalegre | 975.11 mi (1,569.29 km) |
