| Osterwieck to Oegstgeest | 265.76 mi (427.69 km) |
| Osterwieck to Oirschot | 233.96 mi (376.53 km) |
| Osterwieck to Oisterwijk | 237.27 mi (381.85 km) |
| Osterwieck to Oldebroek | 206.61 mi (332.51 km) |
| Osterwieck to Oldenzaal | 162.22 mi (261.07 km) |
| Osterwieck to Ommen | 185.82 mi (299.05 km) |
| Osterwieck to Oosterend | 208.32 mi (335.26 km) |
| Osterwieck to Oosterhout | 251.28 mi (404.39 km) |
| Osterwieck to Oosterwolde | 199.16 mi (320.52 km) |
| Osterwieck to Oostzaan | 249.06 mi (400.82 km) |
| Osterwieck to Opmeer | 248.62 mi (400.11 km) |
| Osterwieck to Oss | 222.24 mi (357.66 km) |
| Osterwieck to Oud-Beijerland | 269.46 mi (433.66 km) |
| Osterwieck to Oudenbosch | 265.93 mi (427.98 km) |
| Osterwieck to Oudewater | 248.85 mi (400.49 km) |
