| Dordrecht to Octeville | 314.41 mi (505.99 km) |
| Dordrecht to Oignies | 117.20 mi (188.61 km) |
| Dordrecht to Oissel | 231.30 mi (372.24 km) |
| Dordrecht to Olivet | 298.49 mi (480.37 km) |
| Dordrecht to Ollioules | 600.56 mi (966.51 km) |
| Dordrecht to Olonne-sur-Mer | 465.47 mi (749.09 km) |
| Dordrecht to Oloron-Sainte-Marie | 643.06 mi (1,034.91 km) |
| Dordrecht to Onet Village | 522.26 mi (840.49 km) |
| Dordrecht to Onnaing | 107.99 mi (173.79 km) |
| Dordrecht to Orange | 529.12 mi (851.53 km) |
| Dordrecht to Orchies | 110.44 mi (177.73 km) |
| Dordrecht to Orleans | 295.89 mi (476.19 km) |
| Dordrecht to Orly | 233.75 mi (376.18 km) |
| Dordrecht to Ormesson-sur-Marne | 228.39 mi (367.57 km) |
| Dordrecht to Orsay | 240.63 mi (387.26 km) |
