| Regensburg to Octeville | 618.75 mi (995.78 km) |
| Regensburg to Oignies | 417.78 mi (672.35 km) |
| Regensburg to Oissel | 496.53 mi (799.08 km) |
| Regensburg to Olivet | 473.11 mi (761.40 km) |
| Regensburg to Ollioules | 503.85 mi (810.87 km) |
| Regensburg to Olonne-sur-Mer | 664.75 mi (1,069.82 km) |
| Regensburg to Oloron-Sainte-Marie | 727.50 mi (1,170.80 km) |
| Regensburg to Onet Village | 552.10 mi (888.52 km) |
| Regensburg to Onnaing | 390.59 mi (628.59 km) |
| Regensburg to Orange | 482.23 mi (776.07 km) |
| Regensburg to Orchies | 407.02 mi (655.03 km) |
| Regensburg to Orleans | 472.12 mi (759.80 km) |
| Regensburg to Orly | 440.42 mi (708.79 km) |
| Regensburg to Ormesson-sur-Marne | 433.53 mi (697.70 km) |
| Regensburg to Orsay | 450.07 mi (724.32 km) |
