| Rho to Octeville | 571.60 mi (919.91 km) |
| Rho to Oignies | 440.46 mi (708.85 km) |
| Rho to Oissel | 454.59 mi (731.60 km) |
| Rho to Olivet | 374.20 mi (602.21 km) |
| Rho to Ollioules | 228.34 mi (367.47 km) |
| Rho to Olonne-sur-Mer | 522.51 mi (840.91 km) |
| Rho to Oloron-Sainte-Marie | 502.47 mi (808.65 km) |
| Rho to Onet Village | 324.97 mi (522.99 km) |
| Rho to Onnaing | 418.97 mi (674.27 km) |
| Rho to Orange | 228.25 mi (367.33 km) |
| Rho to Orchies | 433.53 mi (697.69 km) |
| Rho to Orleans | 374.88 mi (603.32 km) |
| Rho to Orly | 382.68 mi (615.86 km) |
| Rho to Ormesson-sur-Marne | 378.74 mi (609.53 km) |
| Rho to Orsay | 388.90 mi (625.87 km) |
