| Osterburg to Octeville | 618.97 mi (996.14 km) |
| Osterburg to Oignies | 408.51 mi (657.44 km) |
| Osterburg to Oissel | 520.27 mi (837.30 km) |
| Osterburg to Olivet | 551.40 mi (887.40 km) |
| Osterburg to Ollioules | 719.82 mi (1,158.44 km) |
| Osterburg to Olonne-sur-Mer | 741.73 mi (1,193.69 km) |
| Osterburg to Oloron-Sainte-Marie | 872.96 mi (1,404.89 km) |
| Osterburg to Onet Village | 715.80 mi (1,151.97 km) |
| Osterburg to Onnaing | 387.48 mi (623.59 km) |
| Osterburg to Orange | 676.30 mi (1,088.40 km) |
| Osterburg to Orchies | 398.49 mi (641.31 km) |
| Osterburg to Orleans | 549.34 mi (884.08 km) |
| Osterburg to Orly | 495.09 mi (796.77 km) |
| Osterburg to Ormesson-sur-Marne | 488.08 mi (785.49 km) |
| Osterburg to Orsay | 504.43 mi (811.80 km) |
