| Sunset to Mangualde | 4,204.95 mi (6,767.21 km) |
| Sunset to Marco de Canavezes | 4,178.07 mi (6,723.96 km) |
| Sunset to Marinha Grande | 4,154.31 mi (6,685.72 km) |
| Sunset to Massama | 4,148.41 mi (6,676.22 km) |
| Sunset to Matosinhos | 4,149.86 mi (6,678.56 km) |
| Sunset to Mealhada | 4,171.95 mi (6,714.11 km) |
| Sunset to Melgaco | 4,161.70 mi (6,697.61 km) |
| Sunset to Melres | 4,166.58 mi (6,705.46 km) |
| Sunset to Mira | 4,156.68 mi (6,689.53 km) |
| Sunset to Miranda do Corvo | 4,181.41 mi (6,729.33 km) |
| Sunset to Mirandela | 4,224.02 mi (6,797.91 km) |
| Sunset to Mogadouro | 4,249.60 mi (6,839.07 km) |
| Sunset to Moimenta da Beira | 4,208.00 mi (6,772.12 km) |
| Sunset to Moita | 4,165.20 mi (6,703.25 km) |
| Sunset to Moncao | 4,151.37 mi (6,680.98 km) |
