| Douglasville to Mangualde | 4,126.86 mi (6,641.53 km) |
| Douglasville to Marco de Canavezes | 4,094.07 mi (6,588.77 km) |
| Douglasville to Marinha Grande | 4,089.20 mi (6,580.94 km) |
| Douglasville to Massama | 4,095.97 mi (6,591.83 km) |
| Douglasville to Matosinhos | 4,067.13 mi (6,545.42 km) |
| Douglasville to Mealhada | 4,098.14 mi (6,595.32 km) |
| Douglasville to Melgaco | 4,066.89 mi (6,545.02 km) |
| Douglasville to Melres | 4,084.54 mi (6,573.44 km) |
| Douglasville to Mira | 4,082.96 mi (6,570.88 km) |
| Douglasville to Miranda do Corvo | 4,110.67 mi (6,615.49 km) |
| Douglasville to Mirandela | 4,134.18 mi (6,653.32 km) |
| Douglasville to Mogadouro | 4,160.42 mi (6,695.56 km) |
| Douglasville to Moimenta da Beira | 4,125.13 mi (6,638.75 km) |
| Douglasville to Moita | 4,113.28 mi (6,619.69 km) |
| Douglasville to Moncao | 4,057.54 mi (6,529.98 km) |
