| Ceyhan to Nuth | 1,752.08 mi (2,819.71 km) |
| Ceyhan to Oegstgeest | 1,841.18 mi (2,963.09 km) |
| Ceyhan to Oirschot | 1,790.47 mi (2,881.49 km) |
| Ceyhan to Oisterwijk | 1,796.61 mi (2,891.37 km) |
| Ceyhan to Oldebroek | 1,792.90 mi (2,885.40 km) |
| Ceyhan to Oldenzaal | 1,749.53 mi (2,815.60 km) |
| Ceyhan to Ommen | 1,775.13 mi (2,856.79 km) |
| Ceyhan to Oosterend | 1,802.85 mi (2,901.41 km) |
| Ceyhan to Oosterhout | 1,811.81 mi (2,915.83 km) |
| Ceyhan to Oosterwolde | 1,794.03 mi (2,887.22 km) |
| Ceyhan to Oostzaan | 1,831.60 mi (2,947.68 km) |
| Ceyhan to Opmeer | 1,836.37 mi (2,955.35 km) |
| Ceyhan to Oss | 1,788.88 mi (2,878.93 km) |
| Ceyhan to Oud-Beijerland | 1,834.40 mi (2,952.19 km) |
| Ceyhan to Oudenbosch | 1,823.75 mi (2,935.05 km) |
