| Cuprija to Mangualde | 1,499.06 mi (2,412.50 km) |
| Cuprija to Marco de Canavezes | 1,506.16 mi (2,423.94 km) |
| Cuprija to Marinha Grande | 1,577.08 mi (2,538.07 km) |
| Cuprija to Massama | 1,619.29 mi (2,605.99 km) |
| Cuprija to Matosinhos | 1,533.49 mi (2,467.91 km) |
| Cuprija to Mealhada | 1,538.24 mi (2,475.56 km) |
| Cuprija to Melgaco | 1,494.17 mi (2,404.63 km) |
| Cuprija to Melres | 1,520.98 mi (2,447.78 km) |
| Cuprija to Mira | 1,551.21 mi (2,496.43 km) |
| Cuprija to Miranda do Corvo | 1,538.92 mi (2,476.65 km) |
| Cuprija to Mirandela | 1,452.05 mi (2,336.85 km) |
| Cuprija to Mogadouro | 1,431.91 mi (2,304.44 km) |
| Cuprija to Moimenta da Beira | 1,483.69 mi (2,387.77 km) |
| Cuprija to Moita | 1,607.65 mi (2,587.26 km) |
| Cuprija to Moncao | 1,505.50 mi (2,422.88 km) |
