| Sorum to Marco de Canavezes | 1,540.09 mi (2,478.54 km) |
| Sorum to Marinha Grande | 1,647.19 mi (2,650.90 km) |
| Sorum to Massama | 1,717.12 mi (2,763.43 km) |
| Sorum to Matosinhos | 1,552.74 mi (2,498.89 km) |
| Sorum to Mealhada | 1,596.71 mi (2,569.65 km) |
| Sorum to Melgaco | 1,485.09 mi (2,390.02 km) |
| Sorum to Melres | 1,553.04 mi (2,499.38 km) |
| Sorum to Mira | 1,600.03 mi (2,575.00 km) |
| Sorum to Miranda do Corvo | 1,611.79 mi (2,593.93 km) |
| Sorum to Mirandela | 1,499.55 mi (2,413.29 km) |
| Sorum to Mogadouro | 1,498.89 mi (2,412.23 km) |
| Sorum to Moimenta da Beira | 1,540.72 mi (2,479.54 km) |
| Sorum to Moita | 1,717.32 mi (2,763.77 km) |
| Sorum to Moncao | 1,492.76 mi (2,402.36 km) |
| Sorum to Montalegre | 1,492.24 mi (2,401.53 km) |
