| Trilj to Marco de Canavezes | 1,274.99 mi (2,051.89 km) |
| Trilj to Marinha Grande | 1,344.59 mi (2,163.90 km) |
| Trilj to Massama | 1,386.35 mi (2,231.11 km) |
| Trilj to Matosinhos | 1,302.49 mi (2,096.16 km) |
| Trilj to Mealhada | 1,306.18 mi (2,102.09 km) |
| Trilj to Melgaco | 1,264.63 mi (2,035.23 km) |
| Trilj to Melres | 1,289.72 mi (2,075.60 km) |
| Trilj to Mira | 1,319.28 mi (2,123.17 km) |
| Trilj to Miranda do Corvo | 1,306.57 mi (2,102.72 km) |
| Trilj to Mirandela | 1,221.01 mi (1,965.03 km) |
| Trilj to Mogadouro | 1,200.50 mi (1,932.02 km) |
| Trilj to Moimenta da Beira | 1,252.08 mi (2,015.02 km) |
| Trilj to Moita | 1,374.66 mi (2,212.30 km) |
| Trilj to Moncao | 1,275.96 mi (2,053.46 km) |
| Trilj to Montalegre | 1,245.68 mi (2,004.72 km) |
