| Macomb to Mangualde | 4,174.70 mi (6,718.52 km) |
| Macomb to Marco de Canavezes | 4,137.30 mi (6,658.34 km) |
| Macomb to Marinha Grande | 4,150.22 mi (6,679.13 km) |
| Macomb to Massama | 4,168.55 mi (6,708.63 km) |
| Macomb to Matosinhos | 4,112.33 mi (6,618.15 km) |
| Macomb to Mealhada | 4,150.80 mi (6,680.07 km) |
| Macomb to Melgaco | 4,100.73 mi (6,599.48 km) |
| Macomb to Melres | 4,129.89 mi (6,646.42 km) |
| Macomb to Mira | 4,136.13 mi (6,656.45 km) |
| Macomb to Miranda do Corvo | 4,165.84 mi (6,704.27 km) |
| Macomb to Mirandela | 4,170.79 mi (6,712.23 km) |
| Macomb to Mogadouro | 4,196.92 mi (6,754.29 km) |
| Macomb to Moimenta da Beira | 4,168.54 mi (6,708.62 km) |
| Macomb to Moita | 4,185.84 mi (6,736.47 km) |
| Macomb to Moncao | 4,092.58 mi (6,586.37 km) |
