| Mehlville to Mangualde | 4,226.64 mi (6,802.12 km) |
| Mehlville to Marco de Canavezes | 4,190.18 mi (6,743.45 km) |
| Mehlville to Marinha Grande | 4,199.15 mi (6,757.87 km) |
| Mehlville to Massama | 4,214.89 mi (6,783.22 km) |
| Mehlville to Matosinhos | 4,164.71 mi (6,702.46 km) |
| Mehlville to Mealhada | 4,201.61 mi (6,761.84 km) |
| Mehlville to Melgaco | 4,155.61 mi (6,687.80 km) |
| Mehlville to Melres | 4,182.28 mi (6,730.74 km) |
| Mehlville to Mira | 4,186.79 mi (6,737.98 km) |
| Mehlville to Miranda do Corvo | 4,216.12 mi (6,785.19 km) |
| Mehlville to Mirandela | 4,225.22 mi (6,799.84 km) |
| Mehlville to Mogadouro | 4,251.44 mi (6,842.03 km) |
| Mehlville to Moimenta da Beira | 4,221.46 mi (6,793.78 km) |
| Mehlville to Moita | 4,232.24 mi (6,811.13 km) |
| Mehlville to Moncao | 4,147.17 mi (6,674.23 km) |
