| Heidenau to Octeville | 689.52 mi (1,109.67 km) |
| Heidenau to Oignies | 476.46 mi (766.78 km) |
| Heidenau to Oissel | 575.94 mi (926.89 km) |
| Heidenau to Olivet | 578.53 mi (931.05 km) |
| Heidenau to Ollioules | 659.61 mi (1,061.54 km) |
| Heidenau to Olonne-sur-Mer | 773.83 mi (1,245.36 km) |
| Heidenau to Oloron-Sainte-Marie | 865.28 mi (1,392.53 km) |
| Heidenau to Onet Village | 694.43 mi (1,117.58 km) |
| Heidenau to Onnaing | 451.03 mi (725.86 km) |
| Heidenau to Orange | 633.10 mi (1,018.88 km) |
| Heidenau to Orchies | 465.50 mi (749.15 km) |
| Heidenau to Orleans | 577.00 mi (928.60 km) |
| Heidenau to Orly | 533.30 mi (858.26 km) |
| Heidenau to Ormesson-sur-Marne | 526.07 mi (846.63 km) |
| Heidenau to Orsay | 543.17 mi (874.14 km) |
