| Chateaubriant to Montemor-o-Novo | 714.32 mi (1,149.59 km) |
| Chateaubriant to Montemor-o-Velho | 635.20 mi (1,022.26 km) |
| Chateaubriant to Montijo | 729.38 mi (1,173.83 km) |
| Chateaubriant to Mortagua | 607.01 mi (976.88 km) |
| Chateaubriant to Moura | 729.42 mi (1,173.89 km) |
| Chateaubriant to Murtosa | 601.03 mi (967.27 km) |
| Chateaubriant to Nazare | 679.18 mi (1,093.03 km) |
| Chateaubriant to Nelas | 591.64 mi (952.16 km) |
| Chateaubriant to Obidos | 695.96 mi (1,120.03 km) |
| Chateaubriant to Odemira | 790.51 mi (1,272.20 km) |
| Chateaubriant to Odivelas | 730.32 mi (1,175.33 km) |
| Chateaubriant to Oeiras | 740.41 mi (1,191.57 km) |
| Chateaubriant to Olhao | 808.32 mi (1,300.86 km) |
| Chateaubriant to Oliveira de Azemeis | 590.28 mi (949.97 km) |
| Chateaubriant to Oliveira de Frades | 589.03 mi (947.95 km) |
