| Dornbirn to Oignies | 371.92 mi (598.54 km) |
| Dornbirn to Oissel | 418.74 mi (673.90 km) |
| Dornbirn to Olivet | 366.56 mi (589.93 km) |
| Dornbirn to Ollioules | 351.11 mi (565.05 km) |
| Dornbirn to Olonne-sur-Mer | 546.10 mi (878.86 km) |
| Dornbirn to Oloron-Sainte-Marie | 581.03 mi (935.08 km) |
| Dornbirn to Onet Village | 403.35 mi (649.12 km) |
| Dornbirn to Onnaing | 346.53 mi (557.68 km) |
| Dornbirn to Orange | 328.49 mi (528.65 km) |
| Dornbirn to Orchies | 362.83 mi (583.92 km) |
| Dornbirn to Orleans | 366.27 mi (589.46 km) |
| Dornbirn to Orly | 351.61 mi (565.87 km) |
| Dornbirn to Ormesson-sur-Marne | 345.79 mi (556.50 km) |
| Dornbirn to Orsay | 360.12 mi (579.56 km) |
| Dornbirn to Orthez | 576.99 mi (928.58 km) |
