| Ceyhan to Opwijk | 1,822.59 mi (2,933.18 km) |
| Ceyhan to Ostend | 1,880.28 mi (3,026.01 km) |
| Ceyhan to Oud-Heverlee | 1,799.66 mi (2,896.27 km) |
| Ceyhan to Oud-Turnhout | 1,798.51 mi (2,894.42 km) |
| Ceyhan to Oudenaarde | 1,843.97 mi (2,967.58 km) |
| Ceyhan to Oudenburg | 1,876.03 mi (3,019.18 km) |
| Ceyhan to Oupeye | 1,756.65 mi (2,827.06 km) |
| Ceyhan to Overijse | 1,803.97 mi (2,903.21 km) |
| Ceyhan to Overpelt | 1,778.54 mi (2,862.29 km) |
| Ceyhan to Paal | 1,783.96 mi (2,871.00 km) |
| Ceyhan to Peer | 1,774.93 mi (2,856.48 km) |
| Ceyhan to Pepinster | 1,746.06 mi (2,810.02 km) |
| Ceyhan to Peruwelz | 1,837.42 mi (2,957.05 km) |
| Ceyhan to Perwez | 1,788.66 mi (2,878.57 km) |
| Ceyhan to Philippeville | 1,790.10 mi (2,880.89 km) |
