| Clayton le Moors to Mangualde | 943.70 mi (1,518.75 km) |
| Clayton le Moors to Marco de Canavezes | 909.96 mi (1,464.44 km) |
| Clayton le Moors to Marinha Grande | 1,016.34 mi (1,635.64 km) |
| Clayton le Moors to Massama | 1,087.35 mi (1,749.92 km) |
| Clayton le Moors to Matosinhos | 917.74 mi (1,476.96 km) |
| Clayton le Moors to Mealhada | 967.42 mi (1,556.91 km) |
| Clayton le Moors to Melgaco | 849.55 mi (1,367.22 km) |
| Clayton le Moors to Melres | 921.17 mi (1,482.49 km) |
| Clayton le Moors to Mira | 968.02 mi (1,557.88 km) |
| Clayton le Moors to Miranda do Corvo | 984.79 mi (1,584.87 km) |
| Clayton le Moors to Mirandela | 877.52 mi (1,412.23 km) |
| Clayton le Moors to Mogadouro | 882.64 mi (1,420.47 km) |
| Clayton le Moors to Moimenta da Beira | 916.67 mi (1,475.24 km) |
| Clayton le Moors to Moita | 1,090.47 mi (1,754.94 km) |
| Clayton le Moors to Moncao | 855.58 mi (1,376.92 km) |
