| Carteret to Mangualde | 3,398.30 mi (5,469.04 km) |
| Carteret to Marco de Canavezes | 3,364.09 mi (5,413.99 km) |
| Carteret to Marinha Grande | 3,364.66 mi (5,414.89 km) |
| Carteret to Massama | 3,375.44 mi (5,432.25 km) |
| Carteret to Matosinhos | 3,337.64 mi (5,371.41 km) |
| Carteret to Mealhada | 3,370.96 mi (5,425.04 km) |
| Carteret to Melgaco | 3,334.30 mi (5,366.04 km) |
| Carteret to Melres | 3,355.14 mi (5,399.58 km) |
| Carteret to Mira | 3,355.89 mi (5,400.78 km) |
| Carteret to Miranda do Corvo | 3,384.31 mi (5,446.51 km) |
| Carteret to Mirandela | 3,402.50 mi (5,475.80 km) |
| Carteret to Mogadouro | 3,428.78 mi (5,518.10 km) |
| Carteret to Moimenta da Beira | 3,395.29 mi (5,464.19 km) |
| Carteret to Moita | 3,392.80 mi (5,460.19 km) |
| Carteret to Moncao | 3,325.24 mi (5,351.46 km) |
