| Green Valley to Mangualde | 5,438.96 mi (8,753.17 km) |
| Green Valley to Marco de Canavezes | 5,400.39 mi (8,691.09 km) |
| Green Valley to Marinha Grande | 5,418.13 mi (8,719.64 km) |
| Green Valley to Massama | 5,439.00 mi (8,753.22 km) |
| Green Valley to Matosinhos | 5,376.15 mi (8,652.07 km) |
| Green Valley to Mealhada | 5,416.54 mi (8,717.09 km) |
| Green Valley to Melgaco | 5,361.04 mi (8,627.76 km) |
| Green Valley to Melres | 5,393.66 mi (8,680.25 km) |
| Green Valley to Mira | 5,402.08 mi (8,693.81 km) |
| Green Valley to Miranda do Corvo | 5,432.19 mi (8,742.26 km) |
| Green Valley to Mirandela | 5,431.59 mi (8,741.30 km) |
| Green Valley to Mogadouro | 5,457.53 mi (8,783.05 km) |
| Green Valley to Moimenta da Beira | 5,431.52 mi (8,741.18 km) |
| Green Valley to Moita | 5,456.23 mi (8,780.96 km) |
| Green Valley to Moncao | 5,353.34 mi (8,615.37 km) |
