| Sumter to Clarksdale (Mississippi) | 582.48 mi (937.40 km) |
| Sumter to Clarkston (Georgia) | 220.86 mi (355.44 km) |
| Sumter to Clarksville (Indiana) | 426.04 mi (685.65 km) |
| Sumter to Clarksville (Tennessee) | 431.95 mi (695.16 km) |
| Sumter to Clawson (Michigan) | 612.49 mi (985.70 km) |
| Sumter to Clay (Alabama) | 357.17 mi (574.80 km) |
| Sumter to Clayton (California) | 2,320.78 mi (3,734.94 km) |
| Sumter to Clayton (Missouri) | 641.27 mi (1,032.03 km) |
| Sumter to Clayton (North Carolina) | 162.09 mi (260.85 km) |
| Sumter to Clayton (Ohio) | 463.71 mi (746.28 km) |
| Sumter to Clearfield (Utah) | 1,791.63 mi (2,883.35 km) |
| Sumter to Clearlake (California) | 2,351.91 mi (3,785.04 km) |
| Sumter to Clearwater (Florida) | 435.04 mi (700.12 km) |
| Sumter to Cleburne (Texas) | 989.61 mi (1,592.63 km) |
| Sumter to Clemmons (North Carolina) | 144.59 mi (232.70 km) |
