| Osterode to Octeville | 539.99 mi (869.02 km) |
| Osterode to Oignies | 326.59 mi (525.59 km) |
| Osterode to Oissel | 434.41 mi (699.11 km) |
| Osterode to Olivet | 457.85 mi (736.84 km) |
| Osterode to Ollioules | 627.86 mi (1,010.44 km) |
| Osterode to Olonne-sur-Mer | 650.09 mi (1,046.22 km) |
| Osterode to Oloron-Sainte-Marie | 776.16 mi (1,249.11 km) |
| Osterode to Onet Village | 618.90 mi (996.02 km) |
| Osterode to Onnaing | 303.33 mi (488.16 km) |
| Osterode to Orange | 581.42 mi (935.71 km) |
| Osterode to Orchies | 316.01 mi (508.57 km) |
| Osterode to Orleans | 455.88 mi (733.67 km) |
| Osterode to Orly | 403.62 mi (649.57 km) |
| Osterode to Ormesson-sur-Marne | 396.51 mi (638.11 km) |
| Osterode to Orsay | 413.17 mi (664.93 km) |
