| Sumter to Crawfordsville (Indiana) | 553.47 mi (890.72 km) |
| Sumter to Crest Hill (Illinois) | 674.63 mi (1,085.72 km) |
| Sumter to Crestview (Florida) | 422.95 mi (680.67 km) |
| Sumter to Crestwood (Illinois) | 666.06 mi (1,071.93 km) |
| Sumter to Crestwood (Missouri) | 640.82 mi (1,031.31 km) |
| Sumter to Creve Coeur (Missouri) | 647.23 mi (1,041.62 km) |
| Sumter to Crofton (Maryland) | 406.74 mi (654.59 km) |
| Sumter to Crossville (Tennessee) | 297.11 mi (478.16 km) |
| Sumter to Crowley (Louisiana) | 746.54 mi (1,201.45 km) |
| Sumter to Crowley (Texas) | 983.57 mi (1,582.90 km) |
| Sumter to Crown Point (Indiana) | 640.84 mi (1,031.33 km) |
| Sumter to Crystal (Minnesota) | 1,029.92 mi (1,657.49 km) |
| Sumter to Crystal Lake (Illinois) | 716.87 mi (1,153.70 km) |
| Sumter to Cudahy (California) | 2,153.29 mi (3,465.39 km) |
| Sumter to Cudahy (Wisconsin) | 741.44 mi (1,193.23 km) |
