| Catarroja to Mangualde | 397.98 mi (640.49 km) |
| Catarroja to Marco de Canavezes | 426.16 mi (685.84 km) |
| Catarroja to Marinha Grande | 454.67 mi (731.72 km) |
| Catarroja to Massama | 477.66 mi (768.71 km) |
| Catarroja to Matosinhos | 453.96 mi (730.57 km) |
| Catarroja to Mealhada | 431.70 mi (694.75 km) |
| Catarroja to Melgaco | 451.95 mi (727.34 km) |
| Catarroja to Melres | 436.94 mi (703.19 km) |
| Catarroja to Mira | 446.89 mi (719.21 km) |
| Catarroja to Miranda do Corvo | 423.79 mi (682.02 km) |
| Catarroja to Mirandela | 384.18 mi (618.28 km) |
| Catarroja to Mogadouro | 357.95 mi (576.07 km) |
| Catarroja to Moimenta da Beira | 395.66 mi (636.75 km) |
| Catarroja to Moita | 463.23 mi (745.49 km) |
| Catarroja to Moncao | 461.03 mi (741.96 km) |
