| Mounds View to Mangualde | 4,129.09 mi (6,645.13 km) |
| Mounds View to Marco de Canavezes | 4,089.41 mi (6,581.27 km) |
| Mounds View to Marinha Grande | 4,112.91 mi (6,619.10 km) |
| Mounds View to Massama | 4,138.01 mi (6,659.49 km) |
| Mounds View to Matosinhos | 4,065.96 mi (6,543.53 km) |
| Mounds View to Mealhada | 4,108.42 mi (6,611.87 km) |
| Mounds View to Melgaco | 4,047.67 mi (6,514.09 km) |
| Mounds View to Melres | 4,083.38 mi (6,571.56 km) |
| Mounds View to Mira | 4,094.26 mi (6,589.07 km) |
| Mounds View to Miranda do Corvo | 4,124.78 mi (6,638.19 km) |
| Mounds View to Mirandela | 4,118.46 mi (6,628.02 km) |
| Mounds View to Mogadouro | 4,144.18 mi (6,669.42 km) |
| Mounds View to Moimenta da Beira | 4,120.35 mi (6,631.05 km) |
| Mounds View to Moita | 4,155.07 mi (6,686.94 km) |
| Mounds View to Moncao | 4,040.35 mi (6,502.32 km) |
