| Montreuil to Marco de Canavezes | 739.66 mi (1,190.36 km) |
| Montreuil to Marinha Grande | 842.40 mi (1,355.72 km) |
| Montreuil to Massama | 908.24 mi (1,461.67 km) |
| Montreuil to Matosinhos | 758.52 mi (1,220.72 km) |
| Montreuil to Mealhada | 792.23 mi (1,274.97 km) |
| Montreuil to Melgaco | 696.14 mi (1,120.33 km) |
| Montreuil to Melres | 754.25 mi (1,213.85 km) |
| Montreuil to Mira | 798.95 mi (1,285.79 km) |
| Montreuil to Miranda do Corvo | 803.82 mi (1,293.62 km) |
| Montreuil to Mirandela | 691.40 mi (1,112.69 km) |
| Montreuil to Mogadouro | 684.67 mi (1,101.86 km) |
| Montreuil to Moimenta da Beira | 732.67 mi (1,179.12 km) |
| Montreuil to Moita | 905.10 mi (1,456.62 km) |
| Montreuil to Moncao | 705.94 mi (1,136.10 km) |
| Montreuil to Montalegre | 694.22 mi (1,117.24 km) |
