| Surdulica to Mangualde | 1,543.76 mi (2,484.44 km) |
| Surdulica to Marco de Canavezes | 1,553.29 mi (2,499.78 km) |
| Surdulica to Marinha Grande | 1,619.75 mi (2,606.74 km) |
| Surdulica to Massama | 1,658.84 mi (2,669.64 km) |
| Surdulica to Matosinhos | 1,581.03 mi (2,544.43 km) |
| Surdulica to Mealhada | 1,582.73 mi (2,547.15 km) |
| Surdulica to Melgaco | 1,544.74 mi (2,486.02 km) |
| Surdulica to Melres | 1,567.88 mi (2,523.26 km) |
| Surdulica to Mira | 1,596.12 mi (2,568.70 km) |
| Surdulica to Miranda do Corvo | 1,582.29 mi (2,546.45 km) |
| Surdulica to Mirandela | 1,499.57 mi (2,413.32 km) |
| Surdulica to Mogadouro | 1,478.51 mi (2,379.42 km) |
| Surdulica to Moimenta da Beira | 1,529.66 mi (2,461.75 km) |
| Surdulica to Moita | 1,646.52 mi (2,649.82 km) |
| Surdulica to Moncao | 1,556.06 mi (2,504.24 km) |
