| Trinec to Marco de Canavezes | 1,416.87 mi (2,280.23 km) |
| Trinec to Marinha Grande | 1,507.29 mi (2,425.75 km) |
| Trinec to Massama | 1,563.25 mi (2,515.81 km) |
| Trinec to Matosinhos | 1,440.74 mi (2,318.65 km) |
| Trinec to Mealhada | 1,461.01 mi (2,351.27 km) |
| Trinec to Melgaco | 1,387.34 mi (2,232.71 km) |
| Trinec to Melres | 1,432.16 mi (2,304.85 km) |
| Trinec to Mira | 1,471.24 mi (2,367.73 km) |
| Trinec to Miranda do Corvo | 1,467.35 mi (2,361.48 km) |
| Trinec to Mirandela | 1,363.45 mi (2,194.26 km) |
| Trinec to Mogadouro | 1,349.19 mi (2,171.31 km) |
| Trinec to Moimenta da Beira | 1,401.52 mi (2,255.54 km) |
| Trinec to Moita | 1,555.45 mi (2,503.26 km) |
| Trinec to Moncao | 1,398.24 mi (2,250.25 km) |
| Trinec to Montalegre | 1,377.29 mi (2,216.54 km) |
