| Cantillana to Mangualde | 232.26 mi (373.79 km) |
| Cantillana to Marco de Canavezes | 277.13 mi (446.01 km) |
| Cantillana to Marinha Grande | 224.31 mi (361.00 km) |
| Cantillana to Massama | 204.10 mi (328.47 km) |
| Cantillana to Matosinhos | 291.50 mi (469.13 km) |
| Cantillana to Mealhada | 238.68 mi (384.11 km) |
| Cantillana to Melgaco | 338.00 mi (543.97 km) |
| Cantillana to Melres | 276.43 mi (444.87 km) |
| Cantillana to Mira | 250.64 mi (403.37 km) |
| Cantillana to Miranda do Corvo | 219.46 mi (353.19 km) |
| Cantillana to Mirandela | 278.11 mi (447.58 km) |
| Cantillana to Mogadouro | 262.37 mi (422.24 km) |
| Cantillana to Moimenta da Beira | 252.50 mi (406.35 km) |
| Cantillana to Moita | 186.77 mi (300.57 km) |
| Cantillana to Moncao | 339.79 mi (546.85 km) |
