| Sumter to Camarillo (California) | 2,197.70 mi (3,536.85 km) |
| Sumter to Camas (Washington) | 2,342.26 mi (3,769.50 km) |
| Sumter to Cambridge (Maryland) | 399.07 mi (642.25 km) |
| Sumter to Cambridge (Massachusetts) | 769.52 mi (1,238.42 km) |
| Sumter to Camden (Arkansas) | 715.45 mi (1,151.40 km) |
| Sumter to Camden (New Jersey) | 506.62 mi (815.32 km) |
| Sumter to Cameron Park (California) | 2,265.22 mi (3,645.52 km) |
| Sumter to Camp Pendleton South (California) | 2,118.56 mi (3,409.49 km) |
| Sumter to Camp Springs (Maryland) | 387.69 mi (623.93 km) |
| Sumter to Camp Verde (Arizona) | 1,790.04 mi (2,880.78 km) |
| Sumter to Campbell (California) | 2,327.30 mi (3,745.42 km) |
| Sumter to Campbellsville (Kentucky) | 364.40 mi (586.45 km) |
| Sumter to Campton Hills (Illinois) | 704.61 mi (1,133.96 km) |
| Sumter to Canby (Oregon) | 2,352.73 mi (3,786.35 km) |
| Sumter to Candelaria (Puerto Rico) | 1,384.13 mi (2,227.54 km) |
