| Sumter to Cromer | 4,064.12 mi (6,540.57 km) |
| Sumter to Crosby | 3,880.84 mi (6,245.60 km) |
| Sumter to Crowborough | 4,054.28 mi (6,524.73 km) |
| Sumter to Croxley Green | 4,017.84 mi (6,466.09 km) |
| Sumter to Croydon | 4,036.95 mi (6,496.84 km) |
| Sumter to Cudworth | 3,944.03 mi (6,347.30 km) |
| Sumter to Culcheth | 3,901.92 mi (6,279.53 km) |
| Sumter to Cullercoats | 3,919.70 mi (6,308.16 km) |
| Sumter to Cumbernauld | 3,808.65 mi (6,129.42 km) |
| Sumter to Cumnock | 3,804.62 mi (6,122.94 km) |
| Sumter to Cupar | 3,840.98 mi (6,181.46 km) |
| Sumter to Cwmbran | 3,911.09 mi (6,294.29 km) |
| Sumter to Dagenham | 4,044.11 mi (6,508.37 km) |
| Sumter to Dalkeith | 3,844.86 mi (6,187.70 km) |
| Sumter to Darfield | 3,946.05 mi (6,350.55 km) |
