| Douarnenez to Oegstgeest | 480.78 mi (773.74 km) |
| Douarnenez to Oirschot | 489.27 mi (787.41 km) |
| Douarnenez to Oisterwijk | 487.86 mi (785.14 km) |
| Douarnenez to Oldebroek | 542.14 mi (872.50 km) |
| Douarnenez to Oldenzaal | 576.40 mi (927.63 km) |
| Douarnenez to Ommen | 563.38 mi (906.67 km) |
| Douarnenez to Oosterend | 567.87 mi (913.90 km) |
| Douarnenez to Oosterhout | 476.56 mi (766.94 km) |
| Douarnenez to Oosterwolde | 575.30 mi (925.86 km) |
| Douarnenez to Oostzaan | 504.92 mi (812.59 km) |
| Douarnenez to Opmeer | 517.43 mi (832.73 km) |
| Douarnenez to Oss | 505.62 mi (813.72 km) |
| Douarnenez to Oud-Beijerland | 465.18 mi (748.64 km) |
| Douarnenez to Oudenbosch | 462.18 mi (743.80 km) |
| Douarnenez to Oudewater | 489.32 mi (787.48 km) |
