| Dearborn to Mangualde | 3,773.13 mi (6,072.26 km) |
| Dearborn to Marco de Canavezes | 3,736.26 mi (6,012.92 km) |
| Dearborn to Marinha Grande | 3,747.10 mi (6,030.38 km) |
| Dearborn to Massama | 3,764.31 mi (6,058.07 km) |
| Dearborn to Matosinhos | 3,711.00 mi (5,972.27 km) |
| Dearborn to Mealhada | 3,748.62 mi (6,032.81 km) |
| Dearborn to Melgaco | 3,700.89 mi (5,956.01 km) |
| Dearborn to Melres | 3,728.56 mi (6,000.55 km) |
| Dearborn to Mira | 3,733.86 mi (6,009.07 km) |
| Dearborn to Miranda do Corvo | 3,763.38 mi (6,056.58 km) |
| Dearborn to Mirandela | 3,770.69 mi (6,068.33 km) |
| Dearborn to Mogadouro | 3,796.88 mi (6,110.48 km) |
| Dearborn to Moimenta da Beira | 3,767.52 mi (6,063.24 km) |
| Dearborn to Moita | 3,781.63 mi (6,085.95 km) |
| Dearborn to Moncao | 3,692.57 mi (5,942.61 km) |
