| Trebnje to Mangualde | 1,198.16 mi (1,928.25 km) |
| Trebnje to Marco de Canavezes | 1,200.07 mi (1,931.33 km) |
| Trebnje to Marinha Grande | 1,279.80 mi (2,059.64 km) |
| Trebnje to Massama | 1,328.59 mi (2,138.17 km) |
| Trebnje to Matosinhos | 1,226.31 mi (1,973.55 km) |
| Trebnje to Mealhada | 1,237.40 mi (1,991.40 km) |
| Trebnje to Melgaco | 1,181.33 mi (1,901.16 km) |
| Trebnje to Melres | 1,215.23 mi (1,955.72 km) |
| Trebnje to Mira | 1,249.34 mi (2,010.63 km) |
| Trebnje to Miranda do Corvo | 1,240.51 mi (1,996.40 km) |
| Trebnje to Mirandela | 1,145.68 mi (1,843.80 km) |
| Trebnje to Mogadouro | 1,127.69 mi (1,814.85 km) |
| Trebnje to Moimenta da Beira | 1,180.25 mi (1,899.43 km) |
| Trebnje to Moita | 1,318.64 mi (2,122.15 km) |
| Trebnje to Moncao | 1,192.62 mi (1,919.33 km) |
