| Monroeville to Mangualde | 3,667.74 mi (5,902.66 km) |
| Monroeville to Marco de Canavezes | 3,632.50 mi (5,845.95 km) |
| Monroeville to Marinha Grande | 3,636.82 mi (5,852.90 km) |
| Monroeville to Massama | 3,649.88 mi (5,873.91 km) |
| Monroeville to Matosinhos | 3,606.47 mi (5,804.05 km) |
| Monroeville to Mealhada | 3,641.40 mi (5,860.27 km) |
| Monroeville to Melgaco | 3,600.58 mi (5,794.57 km) |
| Monroeville to Melres | 3,624.01 mi (5,832.29 km) |
| Monroeville to Mira | 3,626.43 mi (5,836.18 km) |
| Monroeville to Miranda do Corvo | 3,655.28 mi (5,882.61 km) |
| Monroeville to Mirandela | 3,669.46 mi (5,905.43 km) |
| Monroeville to Mogadouro | 3,695.74 mi (5,947.72 km) |
| Monroeville to Moimenta da Beira | 3,663.76 mi (5,896.26 km) |
| Monroeville to Moita | 3,667.24 mi (5,901.85 km) |
| Monroeville to Moncao | 3,591.78 mi (5,780.42 km) |
