| Ceyhan to Orbetello | 1,354.08 mi (2,179.18 km) |
| Ceyhan to Oria | 1,006.32 mi (1,619.52 km) |
| Ceyhan to Oristano | 1,480.11 mi (2,382.01 km) |
| Ceyhan to Orta Nova | 1,114.00 mi (1,792.81 km) |
| Ceyhan to Orte | 1,295.10 mi (2,084.26 km) |
| Ceyhan to Ortona | 1,192.57 mi (1,919.26 km) |
| Ceyhan to Orvieto | 1,311.80 mi (2,111.14 km) |
| Ceyhan to Orzinuovi | 1,455.91 mi (2,343.06 km) |
| Ceyhan to Osimo | 1,254.26 mi (2,018.53 km) |
| Ceyhan to Ospitaletto | 1,452.04 mi (2,336.83 km) |
| Ceyhan to Ostuni | 1,011.25 mi (1,627.45 km) |
| Ceyhan to Ottaviano | 1,173.39 mi (1,888.40 km) |
| Ceyhan to Ovada | 1,505.78 mi (2,423.32 km) |
| Ceyhan to Ozieri | 1,458.38 mi (2,347.04 km) |
| Ceyhan to Paceco | 1,273.43 mi (2,049.39 km) |
