| Castelginest to Marco de Canavezes | 518.13 mi (833.85 km) |
| Castelginest to Marinha Grande | 599.41 mi (964.66 km) |
| Castelginest to Massama | 651.88 mi (1,049.10 km) |
| Castelginest to Matosinhos | 544.59 mi (876.43 km) |
| Castelginest to Mealhada | 555.85 mi (894.56 km) |
| Castelginest to Melgaco | 502.51 mi (808.72 km) |
| Castelginest to Melres | 533.26 mi (858.19 km) |
| Castelginest to Mira | 567.54 mi (913.37 km) |
| Castelginest to Miranda do Corvo | 559.79 mi (900.90 km) |
| Castelginest to Mirandela | 463.74 mi (746.31 km) |
| Castelginest to Mogadouro | 445.70 mi (717.28 km) |
| Castelginest to Moimenta da Beira | 498.29 mi (801.92 km) |
| Castelginest to Moita | 643.38 mi (1,035.42 km) |
| Castelginest to Moncao | 513.85 mi (826.97 km) |
| Castelginest to Montalegre | 485.18 mi (780.82 km) |
