| Colonial Heights to Mangualde | 3,649.41 mi (5,873.16 km) |
| Colonial Heights to Marco de Canavezes | 3,616.51 mi (5,820.21 km) |
| Colonial Heights to Marinha Grande | 3,612.23 mi (5,813.32 km) |
| Colonial Heights to Massama | 3,619.66 mi (5,825.28 km) |
| Colonial Heights to Matosinhos | 3,589.61 mi (5,776.91 km) |
| Colonial Heights to Mealhada | 3,620.83 mi (5,827.17 km) |
| Colonial Heights to Melgaco | 3,589.23 mi (5,776.31 km) |
| Colonial Heights to Melres | 3,607.03 mi (5,804.95 km) |
| Colonial Heights to Mira | 3,605.66 mi (5,802.74 km) |
| Colonial Heights to Miranda do Corvo | 3,633.46 mi (5,847.48 km) |
| Colonial Heights to Mirandela | 3,656.54 mi (5,884.64 km) |
| Colonial Heights to Mogadouro | 3,682.79 mi (5,926.88 km) |
| Colonial Heights to Moimenta da Beira | 3,647.58 mi (5,870.22 km) |
| Colonial Heights to Moita | 3,636.99 mi (5,853.16 km) |
| Colonial Heights to Moncao | 3,579.88 mi (5,761.27 km) |
