| Caybasi to Mangualde | 2,319.46 mi (3,732.81 km) |
| Caybasi to Marco de Canavezes | 2,328.39 mi (3,747.18 km) |
| Caybasi to Marinha Grande | 2,395.61 mi (3,855.36 km) |
| Caybasi to Massama | 2,434.30 mi (3,917.63 km) |
| Caybasi to Matosinhos | 2,355.99 mi (3,791.60 km) |
| Caybasi to Mealhada | 2,358.47 mi (3,795.58 km) |
| Caybasi to Melgaco | 2,318.15 mi (3,730.71 km) |
| Caybasi to Melres | 2,343.06 mi (3,770.79 km) |
| Caybasi to Mira | 2,371.79 mi (3,817.04 km) |
| Caybasi to Miranda do Corvo | 2,358.13 mi (3,795.04 km) |
| Caybasi to Mirandela | 2,274.50 mi (3,660.46 km) |
| Caybasi to Mogadouro | 2,253.75 mi (3,627.06 km) |
| Caybasi to Moimenta da Beira | 2,305.09 mi (3,709.69 km) |
| Caybasi to Moita | 2,421.81 mi (3,897.53 km) |
| Caybasi to Moncao | 2,329.49 mi (3,748.95 km) |
