| Carshalton to Mangualde | 827.02 mi (1,330.96 km) |
| Carshalton to Marco de Canavezes | 799.05 mi (1,285.95 km) |
| Carshalton to Marinha Grande | 906.19 mi (1,458.37 km) |
| Carshalton to Massama | 976.24 mi (1,571.11 km) |
| Carshalton to Matosinhos | 811.74 mi (1,306.37 km) |
| Carshalton to Mealhada | 855.75 mi (1,377.19 km) |
| Carshalton to Melgaco | 744.22 mi (1,197.71 km) |
| Carshalton to Melres | 811.97 mi (1,306.74 km) |
| Carshalton to Mira | 858.96 mi (1,382.37 km) |
| Carshalton to Miranda do Corvo | 871.03 mi (1,401.79 km) |
| Carshalton to Mirandela | 759.15 mi (1,221.74 km) |
| Carshalton to Mogadouro | 759.52 mi (1,222.33 km) |
| Carshalton to Moimenta da Beira | 800.16 mi (1,287.73 km) |
| Carshalton to Moita | 976.75 mi (1,571.93 km) |
| Carshalton to Moncao | 752.05 mi (1,210.30 km) |
