| Ceyhan to Octeville | 2,046.68 mi (3,293.82 km) |
| Ceyhan to Oignies | 1,861.14 mi (2,995.21 km) |
| Ceyhan to Oissel | 1,922.53 mi (3,094.01 km) |
| Ceyhan to Olivet | 1,865.00 mi (3,001.43 km) |
| Ceyhan to Ollioules | 1,629.76 mi (2,622.84 km) |
| Ceyhan to Olonne-sur-Mer | 2,022.71 mi (3,255.24 km) |
| Ceyhan to Oloron-Sainte-Marie | 1,954.77 mi (3,145.90 km) |
| Ceyhan to Onet Village | 1,798.65 mi (2,894.65 km) |
| Ceyhan to Onnaing | 1,834.07 mi (2,951.65 km) |
| Ceyhan to Orange | 1,687.98 mi (2,716.54 km) |
| Ceyhan to Orchies | 1,850.73 mi (2,978.47 km) |
| Ceyhan to Orleans | 1,865.14 mi (3,001.64 km) |
| Ceyhan to Orly | 1,855.72 mi (2,986.50 km) |
| Ceyhan to Ormesson-sur-Marne | 1,849.95 mi (2,977.20 km) |
| Ceyhan to Orsay | 1,864.12 mi (3,000.01 km) |
