| Unye to Mangualde | 2,326.99 mi (3,744.93 km) |
| Unye to Marco de Canavezes | 2,335.74 mi (3,759.01 km) |
| Unye to Marinha Grande | 2,403.30 mi (3,867.74 km) |
| Unye to Massama | 2,442.22 mi (3,930.37 km) |
| Unye to Matosinhos | 2,363.31 mi (3,803.37 km) |
| Unye to Mealhada | 2,366.02 mi (3,807.73 km) |
| Unye to Melgaco | 2,325.23 mi (3,742.10 km) |
| Unye to Melres | 2,350.42 mi (3,782.64 km) |
| Unye to Mira | 2,379.31 mi (3,829.14 km) |
| Unye to Miranda do Corvo | 2,365.76 mi (3,807.33 km) |
| Unye to Mirandela | 2,281.82 mi (3,672.24 km) |
| Unye to Mogadouro | 2,261.14 mi (3,638.95 km) |
| Unye to Moimenta da Beira | 2,312.53 mi (3,721.66 km) |
| Unye to Moita | 2,429.78 mi (3,910.35 km) |
| Unye to Moncao | 2,336.57 mi (3,760.34 km) |
