| Trissino to Marco de Canavezes | 1,022.91 mi (1,646.21 km) |
| Trissino to Marinha Grande | 1,103.22 mi (1,775.46 km) |
| Trissino to Massama | 1,152.81 mi (1,855.26 km) |
| Trissino to Matosinhos | 1,049.11 mi (1,688.38 km) |
| Trissino to Mealhada | 1,060.51 mi (1,706.73 km) |
| Trissino to Melgaco | 1,004.24 mi (1,616.17 km) |
| Trissino to Melres | 1,038.07 mi (1,670.61 km) |
| Trissino to Mira | 1,072.37 mi (1,725.82 km) |
| Trissino to Miranda do Corvo | 1,063.84 mi (1,712.08 km) |
| Trissino to Mirandela | 968.52 mi (1,558.68 km) |
| Trissino to Mogadouro | 950.63 mi (1,529.89 km) |
| Trissino to Moimenta da Beira | 1,003.21 mi (1,614.51 km) |
| Trissino to Moita | 1,143.13 mi (1,839.69 km) |
| Trissino to Moncao | 1,015.54 mi (1,634.35 km) |
| Trissino to Montalegre | 988.74 mi (1,591.22 km) |
