| Altensteig to Octeville | 468.69 mi (754.29 km) |
| Altensteig to Oignies | 283.17 mi (455.73 km) |
| Altensteig to Oissel | 344.64 mi (554.65 km) |
| Altensteig to Olivet | 312.50 mi (502.92 km) |
| Altensteig to Ollioules | 398.99 mi (642.11 km) |
| Altensteig to Olonne-sur-Mer | 503.70 mi (810.62 km) |
| Altensteig to Oloron-Sainte-Marie | 578.12 mi (930.39 km) |
| Altensteig to Onet Village | 408.23 mi (656.99 km) |
| Altensteig to Onnaing | 256.81 mi (413.29 km) |
| Altensteig to Orange | 356.54 mi (573.79 km) |
| Altensteig to Orchies | 273.42 mi (440.02 km) |
| Altensteig to Orleans | 311.59 mi (501.45 km) |
| Altensteig to Orly | 283.60 mi (456.41 km) |
| Altensteig to Ormesson-sur-Marne | 276.98 mi (445.76 km) |
| Altensteig to Orsay | 292.99 mi (471.52 km) |
