| Osterholz-Scharmbeck to Octeville | 513.08 mi (825.72 km) |
| Osterholz-Scharmbeck to Oignies | 312.04 mi (502.18 km) |
| Osterholz-Scharmbeck to Oissel | 427.00 mi (687.19 km) |
| Osterholz-Scharmbeck to Olivet | 477.64 mi (768.69 km) |
| Osterholz-Scharmbeck to Ollioules | 709.28 mi (1,141.48 km) |
| Osterholz-Scharmbeck to Olonne-sur-Mer | 658.03 mi (1,059.00 km) |
| Osterholz-Scharmbeck to Oloron-Sainte-Marie | 815.26 mi (1,312.04 km) |
| Osterholz-Scharmbeck to Onet Village | 673.04 mi (1,083.15 km) |
| Osterholz-Scharmbeck to Onnaing | 295.84 mi (476.11 km) |
| Osterholz-Scharmbeck to Orange | 652.87 mi (1,050.70 km) |
| Osterholz-Scharmbeck to Orchies | 303.38 mi (488.25 km) |
| Osterholz-Scharmbeck to Orleans | 475.27 mi (764.88 km) |
| Osterholz-Scharmbeck to Orly | 415.84 mi (669.22 km) |
| Osterholz-Scharmbeck to Ormesson-sur-Marne | 409.39 mi (658.85 km) |
| Osterholz-Scharmbeck to Orsay | 424.26 mi (682.79 km) |
