| Colonia to Mangualde | 3,402.26 mi (5,475.42 km) |
| Colonia to Marco de Canavezes | 3,368.03 mi (5,420.32 km) |
| Colonia to Marinha Grande | 3,368.68 mi (5,421.36 km) |
| Colonia to Massama | 3,379.51 mi (5,438.80 km) |
| Colonia to Matosinhos | 3,341.59 mi (5,377.76 km) |
| Colonia to Mealhada | 3,374.94 mi (5,431.44 km) |
| Colonia to Melgaco | 3,338.20 mi (5,372.31 km) |
| Colonia to Melres | 3,359.09 mi (5,405.94 km) |
| Colonia to Mira | 3,359.87 mi (5,407.19 km) |
| Colonia to Miranda do Corvo | 3,388.30 mi (5,452.94 km) |
| Colonia to Mirandela | 3,406.41 mi (5,482.09 km) |
| Colonia to Mogadouro | 3,432.69 mi (5,524.39 km) |
| Colonia to Moimenta da Beira | 3,399.23 mi (5,470.53 km) |
| Colonia to Moita | 3,396.87 mi (5,466.74 km) |
| Colonia to Moncao | 3,329.14 mi (5,357.73 km) |
