| Sumter to Cermik | 6,138.99 mi (9,879.75 km) |
| Sumter to Cesme | 5,585.37 mi (8,988.79 km) |
| Sumter to Ceyhan | 6,045.14 mi (9,728.72 km) |
| Sumter to Ceylanpinar | 6,224.64 mi (10,017.60 km) |
| Sumter to Cicekdagi | 5,870.32 mi (9,447.36 km) |
| Sumter to Cide | 5,712.05 mi (9,192.65 km) |
| Sumter to Cifteler | 5,742.43 mi (9,241.55 km) |
| Sumter to Ciftlik | 5,938.57 mi (9,557.21 km) |
| Sumter to Ciftlikkoy | 5,616.49 mi (9,038.86 km) |
| Sumter to Cihanbeyli | 5,852.52 mi (9,418.73 km) |
| Sumter to Cildir | 6,130.94 mi (9,866.79 km) |
| Sumter to Cilimli | 5,677.11 mi (9,136.43 km) |
| Sumter to Cinar | 6,196.53 mi (9,972.35 km) |
| Sumter to Cinarcik | 5,608.83 mi (9,026.53 km) |
| Sumter to Cine | 5,691.50 mi (9,159.58 km) |
