| Clamart to Oignies | 119.78 mi (192.77 km) |
| Clamart to Oissel | 64.85 mi (104.37 km) |
| Clamart to Olivet | 66.88 mi (107.63 km) |
| Clamart to Ollioules | 427.27 mi (687.62 km) |
| Clamart to Olonne-sur-Mer | 244.39 mi (393.31 km) |
| Clamart to Oloron-Sainte-Marie | 411.09 mi (661.59 km) |
| Clamart to Onet Village | 306.89 mi (493.88 km) |
| Clamart to Onnaing | 124.86 mi (200.94 km) |
| Clamart to Orange | 344.18 mi (553.90 km) |
| Clamart to Orchies | 123.67 mi (199.03 km) |
| Clamart to Orleans | 64.20 mi (103.32 km) |
| Clamart to Orly | 7.13 mi (11.47 km) |
| Clamart to Ormesson-sur-Marne | 12.59 mi (20.26 km) |
| Clamart to Orsay | 7.92 mi (12.74 km) |
| Clamart to Orthez | 394.71 mi (635.22 km) |
