| Ceyhan to Oerlinghausen | 1,672.96 mi (2,692.38 km) |
| Ceyhan to Oestrich-Winkel | 1,642.03 mi (2,642.59 km) |
| Ceyhan to Offenburg | 1,607.30 mi (2,586.70 km) |
| Ceyhan to Oftersheim | 1,601.42 mi (2,577.24 km) |
| Ceyhan to Ohrdruf | 1,557.54 mi (2,506.62 km) |
| Ceyhan to Ohringen | 1,558.78 mi (2,508.62 km) |
| Ceyhan to Olbernhau | 1,453.41 mi (2,339.04 km) |
| Ceyhan to Olching | 1,455.62 mi (2,342.59 km) |
| Ceyhan to Oldenburg | 1,728.14 mi (2,781.18 km) |
| Ceyhan to Oldenburg in Holstein | 1,677.98 mi (2,700.44 km) |
| Ceyhan to Olfen | 1,714.48 mi (2,759.19 km) |
| Ceyhan to Olpe | 1,676.63 mi (2,698.28 km) |
| Ceyhan to Olsberg | 1,660.90 mi (2,672.96 km) |
| Ceyhan to Oranienburg | 1,537.26 mi (2,473.97 km) |
| Ceyhan to Ortenberg | 1,609.03 mi (2,589.48 km) |
