| Cognac to Oignies | 363.64 mi (585.21 km) |
| Cognac to Oissel | 260.48 mi (419.21 km) |
| Cognac to Olivet | 183.21 mi (294.84 km) |
| Cognac to Ollioules | 352.13 mi (566.69 km) |
| Cognac to Olonne-sur-Mer | 90.28 mi (145.30 km) |
| Cognac to Oloron-Sainte-Marie | 173.38 mi (279.04 km) |
| Cognac to Onet Village | 169.74 mi (273.16 km) |
| Cognac to Onnaing | 371.37 mi (597.66 km) |
| Cognac to Orange | 273.43 mi (440.04 km) |
| Cognac to Orchies | 368.98 mi (593.82 km) |
| Cognac to Orleans | 185.60 mi (298.69 km) |
| Cognac to Orly | 246.27 mi (396.34 km) |
| Cognac to Ormesson-sur-Marne | 252.30 mi (406.03 km) |
| Cognac to Orsay | 238.70 mi (384.14 km) |
| Cognac to Orthez | 154.08 mi (247.96 km) |
