| Douarnenez to Opwijk | 430.00 mi (692.02 km) |
| Douarnenez to Ostend | 389.62 mi (627.03 km) |
| Douarnenez to Oud-Heverlee | 445.82 mi (717.47 km) |
| Douarnenez to Oud-Turnhout | 471.57 mi (758.92 km) |
| Douarnenez to Oudenaarde | 403.54 mi (649.44 km) |
| Douarnenez to Oudenburg | 391.13 mi (629.46 km) |
| Douarnenez to Oupeye | 483.01 mi (777.34 km) |
| Douarnenez to Overijse | 439.13 mi (706.71 km) |
| Douarnenez to Overpelt | 485.99 mi (782.12 km) |
| Douarnenez to Paal | 471.56 mi (758.90 km) |
| Douarnenez to Peer | 485.28 mi (780.98 km) |
| Douarnenez to Pepinster | 487.36 mi (784.32 km) |
| Douarnenez to Peruwelz | 393.64 mi (633.51 km) |
| Douarnenez to Perwez | 446.81 mi (719.07 km) |
| Douarnenez to Philippeville | 426.64 mi (686.61 km) |
