| New Carrollton to Mangualde | 3,572.49 mi (5,749.37 km) |
| New Carrollton to Marco de Canavezes | 3,538.70 mi (5,694.98 km) |
| New Carrollton to Marinha Grande | 3,537.65 mi (5,693.29 km) |
| New Carrollton to Massama | 3,547.25 mi (5,708.75 km) |
| New Carrollton to Matosinhos | 3,512.09 mi (5,652.17 km) |
| New Carrollton to Mealhada | 3,544.73 mi (5,704.69 km) |
| New Carrollton to Melgaco | 3,509.69 mi (5,648.30 km) |
| New Carrollton to Melres | 3,529.57 mi (5,680.30 km) |
| New Carrollton to Mira | 3,529.62 mi (5,680.37 km) |
| New Carrollton to Miranda do Corvo | 3,557.84 mi (5,725.79 km) |
| New Carrollton to Mirandela | 3,577.63 mi (5,757.63 km) |
| New Carrollton to Mogadouro | 3,603.90 mi (5,799.92 km) |
| New Carrollton to Moimenta da Beira | 3,569.86 mi (5,745.14 km) |
| New Carrollton to Moita | 3,564.61 mi (5,736.68 km) |
| New Carrollton to Moncao | 3,500.54 mi (5,633.57 km) |
