| Douarnenez to Montemor-o-Novo | 680.73 mi (1,095.53 km) |
| Douarnenez to Montemor-o-Velho | 588.36 mi (946.88 km) |
| Douarnenez to Montijo | 689.07 mi (1,108.95 km) |
| Douarnenez to Mortagua | 563.12 mi (906.26 km) |
| Douarnenez to Moura | 705.69 mi (1,135.70 km) |
| Douarnenez to Murtosa | 550.79 mi (886.42 km) |
| Douarnenez to Nazare | 632.13 mi (1,017.31 km) |
| Douarnenez to Nelas | 551.43 mi (887.44 km) |
| Douarnenez to Obidos | 649.49 mi (1,045.25 km) |
| Douarnenez to Odemira | 757.80 mi (1,219.55 km) |
| Douarnenez to Odivelas | 686.84 mi (1,105.36 km) |
| Douarnenez to Oeiras | 696.25 mi (1,120.51 km) |
| Douarnenez to Olhao | 784.97 mi (1,263.29 km) |
| Douarnenez to Oliveira de Azemeis | 540.95 mi (870.57 km) |
| Douarnenez to Oliveira de Frades | 543.75 mi (875.08 km) |
