| Frederikshavn to Oegstgeest | 435.89 mi (701.50 km) |
| Frederikshavn to Oirschot | 460.83 mi (741.64 km) |
| Frederikshavn to Oisterwijk | 457.47 mi (736.23 km) |
| Frederikshavn to Oldebroek | 390.60 mi (628.62 km) |
| Frederikshavn to Oldenzaal | 381.76 mi (614.38 km) |
| Frederikshavn to Ommen | 377.21 mi (607.06 km) |
| Frederikshavn to Oosterend | 353.38 mi (568.71 km) |
| Frederikshavn to Oosterhout | 460.35 mi (740.86 km) |
| Frederikshavn to Oosterwolde | 349.89 mi (563.09 km) |
| Frederikshavn to Oostzaan | 412.03 mi (663.09 km) |
| Frederikshavn to Opmeer | 394.81 mi (635.39 km) |
| Frederikshavn to Oss | 440.21 mi (708.44 km) |
| Frederikshavn to Oud-Beijerland | 459.16 mi (738.94 km) |
| Frederikshavn to Oudenbosch | 470.32 mi (756.90 km) |
| Frederikshavn to Oudewater | 437.37 mi (703.88 km) |
