| Sumter to Cehegin | 4,265.41 mi (6,864.52 km) |
| Sumter to Cervello | 4,361.63 mi (7,019.37 km) |
| Sumter to Cervera | 4,321.63 mi (6,954.99 km) |
| Sumter to Ceuti | 4,292.20 mi (6,907.63 km) |
| Sumter to Cheste | 4,284.20 mi (6,894.75 km) |
| Sumter to Chiclana de la Frontera | 4,087.10 mi (6,577.55 km) |
| Sumter to Chipiona | 4,064.48 mi (6,541.15 km) |
| Sumter to Chiva | 4,282.68 mi (6,892.30 km) |
| Sumter to Churriana de la Vega | 4,196.57 mi (6,753.73 km) |
| Sumter to Ciempozuelos | 4,122.14 mi (6,633.95 km) |
| Sumter to Cieza | 4,280.57 mi (6,888.90 km) |
| Sumter to Cisterniga | 4,035.47 mi (6,494.46 km) |
| Sumter to Ciudad de Melilla | 4,282.78 mi (6,892.46 km) |
| Sumter to Ciudad Real | 4,136.27 mi (6,656.69 km) |
| Sumter to Ciudad-Rodrigo | 3,967.26 mi (6,384.69 km) |
