| Sumter to Carlsbad (California) | 2,113.89 mi (3,401.97 km) |
| Sumter to Carlsbad (New Mexico) | 1,380.10 mi (2,221.06 km) |
| Sumter to Carmel (Indiana) | 523.41 mi (842.35 km) |
| Sumter to Carmichael (California) | 2,283.69 mi (3,675.24 km) |
| Sumter to Carney (Maryland) | 434.17 mi (698.73 km) |
| Sumter to Carnot-Moon (Pennsylvania) | 454.70 mi (731.77 km) |
| Sumter to Carol Stream (Illinois) | 693.42 mi (1,115.96 km) |
| Sumter to Carolina (Puerto Rico) | 1,393.37 mi (2,242.42 km) |
| Sumter to Carolina Forest (South Carolina) | 85.77 mi (138.03 km) |
| Sumter to Carpentersville (Illinois) | 709.50 mi (1,141.84 km) |
| Sumter to Carpinteria (California) | 2,222.42 mi (3,576.63 km) |
| Sumter to Carrboro (North Carolina) | 155.91 mi (250.91 km) |
| Sumter to Carroll (Iowa) | 965.47 mi (1,553.77 km) |
| Sumter to Carrollton (Georgia) | 270.55 mi (435.41 km) |
| Sumter to Carrollton (Texas) | 952.69 mi (1,533.20 km) |
