| Greentree to Mangualde | 3,452.66 mi (5,556.52 km) |
| Greentree to Marco de Canavezes | 3,418.72 mi (5,501.90 km) |
| Greentree to Marinha Grande | 3,418.27 mi (5,501.17 km) |
| Greentree to Massama | 3,428.34 mi (5,517.39 km) |
| Greentree to Matosinhos | 3,392.17 mi (5,459.17 km) |
| Greentree to Mealhada | 3,425.05 mi (5,512.09 km) |
| Greentree to Melgaco | 3,389.45 mi (5,454.80 km) |
| Greentree to Melres | 3,409.66 mi (5,487.31 km) |
| Greentree to Mira | 3,409.96 mi (5,487.79 km) |
| Greentree to Miranda do Corvo | 3,438.25 mi (5,533.33 km) |
| Greentree to Mirandela | 3,457.48 mi (5,564.27 km) |
| Greentree to Mogadouro | 3,483.75 mi (5,606.56 km) |
| Greentree to Moimenta da Beira | 3,449.90 mi (5,552.07 km) |
| Greentree to Moita | 3,445.70 mi (5,545.32 km) |
| Greentree to Moncao | 3,380.33 mi (5,440.11 km) |
