| Troina to Marco de Canavezes | 1,232.00 mi (1,982.71 km) |
| Troina to Marinha Grande | 1,271.36 mi (2,046.06 km) |
| Troina to Massama | 1,293.17 mi (2,081.15 km) |
| Troina to Matosinhos | 1,260.55 mi (2,028.66 km) |
| Troina to Mealhada | 1,245.59 mi (2,004.58 km) |
| Troina to Melgaco | 1,243.53 mi (2,001.26 km) |
| Troina to Melres | 1,244.53 mi (2,002.88 km) |
| Troina to Mira | 1,260.54 mi (2,028.64 km) |
| Troina to Miranda do Corvo | 1,239.28 mi (1,994.44 km) |
| Troina to Mirandela | 1,183.51 mi (1,904.68 km) |
| Troina to Mogadouro | 1,158.56 mi (1,864.52 km) |
| Troina to Moimenta da Beira | 1,203.27 mi (1,936.48 km) |
| Troina to Moita | 1,278.10 mi (2,056.90 km) |
| Troina to Moncao | 1,254.08 mi (2,018.25 km) |
| Troina to Montalegre | 1,217.12 mi (1,958.77 km) |
