| Channahon to Mangualde | 4,032.40 mi (6,489.51 km) |
| Channahon to Marco de Canavezes | 3,995.03 mi (6,429.39 km) |
| Channahon to Marinha Grande | 4,007.86 mi (6,450.02 km) |
| Channahon to Massama | 4,026.19 mi (6,479.53 km) |
| Channahon to Matosinhos | 3,970.04 mi (6,389.17 km) |
| Channahon to Mealhada | 4,008.47 mi (6,451.00 km) |
| Channahon to Melgaco | 3,958.56 mi (6,370.69 km) |
| Channahon to Melres | 3,987.60 mi (6,417.43 km) |
| Channahon to Mira | 3,993.79 mi (6,427.38 km) |
| Channahon to Miranda do Corvo | 4,023.49 mi (6,475.18 km) |
| Channahon to Mirandela | 4,028.60 mi (6,483.41 km) |
| Channahon to Mogadouro | 4,054.74 mi (6,525.47 km) |
| Channahon to Moimenta da Beira | 4,026.28 mi (6,479.67 km) |
| Channahon to Moita | 4,043.49 mi (6,507.37 km) |
| Channahon to Moncao | 3,950.40 mi (6,357.55 km) |
