| Chateaubriant to Marco de Canavezes | 561.14 mi (903.07 km) |
| Chateaubriant to Marinha Grande | 666.63 mi (1,072.83 km) |
| Chateaubriant to Massama | 734.88 mi (1,182.67 km) |
| Chateaubriant to Matosinhos | 577.62 mi (929.59 km) |
| Chateaubriant to Mealhada | 615.98 mi (991.33 km) |
| Chateaubriant to Melgaco | 512.79 mi (825.25 km) |
| Chateaubriant to Melres | 575.14 mi (925.60 km) |
| Chateaubriant to Mira | 621.17 mi (999.68 km) |
| Chateaubriant to Miranda do Corvo | 629.42 mi (1,012.95 km) |
| Chateaubriant to Mirandela | 516.34 mi (830.97 km) |
| Chateaubriant to Mogadouro | 513.27 mi (826.02 km) |
| Chateaubriant to Moimenta da Beira | 557.85 mi (897.77 km) |
| Chateaubriant to Moita | 733.57 mi (1,180.56 km) |
| Chateaubriant to Moncao | 522.00 mi (840.07 km) |
| Chateaubriant to Montalegre | 514.26 mi (827.63 km) |
