| Croissy-sur-Seine to Oignies | 116.36 mi (187.26 km) |
| Croissy-sur-Seine to Oissel | 57.33 mi (92.27 km) |
| Croissy-sur-Seine to Olivet | 70.93 mi (114.14 km) |
| Croissy-sur-Seine to Ollioules | 434.38 mi (699.08 km) |
| Croissy-sur-Seine to Olonne-sur-Mer | 243.48 mi (391.84 km) |
| Croissy-sur-Seine to Oloron-Sainte-Marie | 414.17 mi (666.54 km) |
| Croissy-sur-Seine to Onet Village | 312.50 mi (502.91 km) |
| Croissy-sur-Seine to Onnaing | 123.00 mi (197.95 km) |
| Croissy-sur-Seine to Orange | 351.12 mi (565.07 km) |
| Croissy-sur-Seine to Orchies | 120.83 mi (194.46 km) |
| Croissy-sur-Seine to Orleans | 68.23 mi (109.81 km) |
| Croissy-sur-Seine to Orly | 14.68 mi (23.63 km) |
| Croissy-sur-Seine to Ormesson-sur-Marne | 19.10 mi (30.74 km) |
| Croissy-sur-Seine to Orsay | 12.59 mi (20.26 km) |
| Croissy-sur-Seine to Orthez | 397.53 mi (639.76 km) |
