| New London to Mangualde | 3,275.61 mi (5,271.58 km) |
| New London to Marco de Canavezes | 3,241.34 mi (5,216.43 km) |
| New London to Marinha Grande | 3,242.18 mi (5,217.79 km) |
| New London to Massama | 3,253.24 mi (5,235.58 km) |
| New London to Matosinhos | 3,214.90 mi (5,173.89 km) |
| New London to Mealhada | 3,248.33 mi (5,227.68 km) |
| New London to Melgaco | 3,211.46 mi (5,168.35 km) |
| New London to Melres | 3,232.41 mi (5,202.06 km) |
| New London to Mira | 3,233.26 mi (5,203.44 km) |
| New London to Miranda do Corvo | 3,261.72 mi (5,249.23 km) |
| New London to Mirandela | 3,279.68 mi (5,278.14 km) |
| New London to Mogadouro | 3,305.97 mi (5,320.44 km) |
| New London to Moimenta da Beira | 3,272.54 mi (5,266.64 km) |
| New London to Moita | 3,270.60 mi (5,263.52 km) |
| New London to Moncao | 3,202.41 mi (5,153.77 km) |
