| Boulogne-Billancourt to Cesme | 1,397.37 mi (2,248.84 km) |
| Boulogne-Billancourt to Ceyhan | 1,863.90 mi (2,999.66 km) |
| Boulogne-Billancourt to Ceylanpinar | 2,060.24 mi (3,315.64 km) |
| Boulogne-Billancourt to Cicekdagi | 1,699.94 mi (2,735.79 km) |
| Boulogne-Billancourt to Cide | 1,556.26 mi (2,504.56 km) |
| Boulogne-Billancourt to Cifteler | 1,558.51 mi (2,508.19 km) |
| Boulogne-Billancourt to Ciftlik | 1,758.85 mi (2,830.60 km) |
| Boulogne-Billancourt to Ciftlikkoy | 1,434.21 mi (2,308.14 km) |
| Boulogne-Billancourt to Cihanbeyli | 1,670.43 mi (2,688.29 km) |
| Boulogne-Billancourt to Cildir | 2,041.37 mi (3,285.27 km) |
| Boulogne-Billancourt to Cilimli | 1,502.38 mi (2,417.85 km) |
| Boulogne-Billancourt to Cinar | 2,041.83 mi (3,286.00 km) |
| Boulogne-Billancourt to Cinarcik | 1,425.88 mi (2,294.73 km) |
| Boulogne-Billancourt to Cine | 1,502.69 mi (2,418.35 km) |
| Boulogne-Billancourt to Civril | 1,545.13 mi (2,486.65 km) |
