| Carlton Colville to Mangualde | 932.12 mi (1,500.10 km) |
| Carlton Colville to Marco de Canavezes | 905.29 mi (1,456.93 km) |
| Carlton Colville to Marinha Grande | 1,012.24 mi (1,629.04 km) |
| Carlton Colville to Massama | 1,081.95 mi (1,741.24 km) |
| Carlton Colville to Matosinhos | 918.70 mi (1,478.50 km) |
| Carlton Colville to Mealhada | 961.68 mi (1,547.68 km) |
| Carlton Colville to Melgaco | 851.46 mi (1,370.29 km) |
| Carlton Colville to Melres | 918.45 mi (1,478.10 km) |
| Carlton Colville to Mira | 965.33 mi (1,553.55 km) |
| Carlton Colville to Miranda do Corvo | 976.55 mi (1,571.60 km) |
| Carlton Colville to Mirandela | 864.17 mi (1,390.75 km) |
| Carlton Colville to Mogadouro | 863.50 mi (1,389.66 km) |
| Carlton Colville to Moimenta da Beira | 905.39 mi (1,457.08 km) |
| Carlton Colville to Moita | 1,081.98 mi (1,741.27 km) |
| Carlton Colville to Moncao | 859.49 mi (1,383.22 km) |
