| Bonn to Cesme | 1,269.66 mi (2,043.32 km) |
| Bonn to Ceyhan | 1,698.12 mi (2,732.87 km) |
| Bonn to Ceylanpinar | 1,880.33 mi (3,026.09 km) |
| Bonn to Cicekdagi | 1,523.51 mi (2,451.85 km) |
| Bonn to Cide | 1,369.24 mi (2,203.58 km) |
| Bonn to Cifteler | 1,397.22 mi (2,248.60 km) |
| Bonn to Ciftlik | 1,591.37 mi (2,561.06 km) |
| Bonn to Ciftlikkoy | 1,270.78 mi (2,045.12 km) |
| Bonn to Cihanbeyli | 1,506.07 mi (2,423.79 km) |
| Bonn to Cildir | 1,832.41 mi (2,948.97 km) |
| Bonn to Cilimli | 1,329.69 mi (2,139.94 km) |
| Bonn to Cinar | 1,856.28 mi (2,987.40 km) |
| Bonn to Cinarcik | 1,263.52 mi (2,033.44 km) |
| Bonn to Cine | 1,370.05 mi (2,204.88 km) |
| Bonn to Civril | 1,398.10 mi (2,250.02 km) |
