| Someren to Marco de Canavezes | 963.85 mi (1,551.17 km) |
| Someren to Marinha Grande | 1,067.57 mi (1,718.09 km) |
| Someren to Massama | 1,134.01 mi (1,825.02 km) |
| Someren to Matosinhos | 981.78 mi (1,580.02 km) |
| Someren to Mealhada | 1,017.21 mi (1,637.04 km) |
| Someren to Melgaco | 918.05 mi (1,477.46 km) |
| Someren to Melres | 978.25 mi (1,574.34 km) |
| Someren to Mira | 1,023.48 mi (1,647.13 km) |
| Someren to Miranda do Corvo | 1,029.27 mi (1,656.46 km) |
| Someren to Mirandela | 916.54 mi (1,475.03 km) |
| Someren to Mogadouro | 910.54 mi (1,465.37 km) |
| Someren to Moimenta da Beira | 957.94 mi (1,541.65 km) |
| Someren to Moita | 1,131.19 mi (1,820.47 km) |
| Someren to Moncao | 927.50 mi (1,492.67 km) |
| Someren to Montalegre | 917.80 mi (1,477.05 km) |
