| Sumter to Cosham | 4,007.29 mi (6,449.11 km) |
| Sumter to Costessey | 4,065.96 mi (6,543.54 km) |
| Sumter to Cottingham | 3,980.24 mi (6,405.57 km) |
| Sumter to Coulsdon | 4,036.76 mi (6,496.53 km) |
| Sumter to Coventry | 3,960.26 mi (6,373.43 km) |
| Sumter to Cowdenbeath | 3,830.93 mi (6,165.29 km) |
| Sumter to Cowes | 3,999.02 mi (6,435.81 km) |
| Sumter to Cowley | 4,018.61 mi (6,467.33 km) |
| Sumter to Cowley | 3,984.48 mi (6,412.40 km) |
| Sumter to Cramlington | 3,913.08 mi (6,297.49 km) |
| Sumter to Cranleigh | 4,026.22 mi (6,479.57 km) |
| Sumter to Crawley | 4,038.86 mi (6,499.92 km) |
| Sumter to Crayford | 4,047.49 mi (6,513.81 km) |
| Sumter to Crewe | 3,910.89 mi (6,293.97 km) |
| Sumter to Crigglestone | 3,938.65 mi (6,338.64 km) |
