| Happy Valley to Mangualde | 5,256.17 mi (8,458.99 km) |
| Happy Valley to Marco de Canavezes | 5,212.68 mi (8,389.01 km) |
| Happy Valley to Marinha Grande | 5,259.72 mi (8,464.70 km) |
| Happy Valley to Massama | 5,299.02 mi (8,527.95 km) |
| Happy Valley to Matosinhos | 5,193.74 mi (8,358.52 km) |
| Happy Valley to Mealhada | 5,243.82 mi (8,439.11 km) |
| Happy Valley to Melgaco | 5,160.35 mi (8,304.79 km) |
| Happy Valley to Melres | 5,210.13 mi (8,384.89 km) |
| Happy Valley to Mira | 5,231.36 mi (8,419.07 km) |
| Happy Valley to Miranda do Corvo | 5,262.58 mi (8,469.31 km) |
| Happy Valley to Mirandela | 5,229.99 mi (8,416.86 km) |
| Happy Valley to Mogadouro | 5,253.68 mi (8,454.98 km) |
| Happy Valley to Moimenta da Beira | 5,241.67 mi (8,435.65 km) |
| Happy Valley to Moita | 5,314.95 mi (8,553.59 km) |
| Happy Valley to Moncao | 5,155.33 mi (8,296.71 km) |
