| Rogerstone to Mangualde | 791.46 mi (1,273.73 km) |
| Rogerstone to Marco de Canavezes | 758.51 mi (1,220.71 km) |
| Rogerstone to Marinha Grande | 865.25 mi (1,392.48 km) |
| Rogerstone to Massama | 936.22 mi (1,506.70 km) |
| Rogerstone to Matosinhos | 767.20 mi (1,234.69 km) |
| Rogerstone to Mealhada | 815.97 mi (1,313.17 km) |
| Rogerstone to Melgaco | 698.94 mi (1,124.84 km) |
| Rogerstone to Melres | 770.05 mi (1,239.27 km) |
| Rogerstone to Mira | 817.03 mi (1,314.88 km) |
| Rogerstone to Miranda do Corvo | 833.04 mi (1,340.65 km) |
| Rogerstone to Mirandela | 724.94 mi (1,166.69 km) |
| Rogerstone to Mogadouro | 729.59 mi (1,174.17 km) |
| Rogerstone to Moimenta da Beira | 764.40 mi (1,230.18 km) |
| Rogerstone to Moita | 938.90 mi (1,511.01 km) |
| Rogerstone to Moncao | 705.34 mi (1,135.14 km) |
