| Sumter to Carmona | 4,087.22 mi (6,577.75 km) |
| Sumter to Cartagena | 4,319.71 mi (6,951.90 km) |
| Sumter to Cartama | 4,157.83 mi (6,691.37 km) |
| Sumter to Cartaya | 4,013.96 mi (6,459.84 km) |
| Sumter to Caspe | 4,270.28 mi (6,872.36 km) |
| Sumter to Cassa de la Selva | 4,391.88 mi (7,068.05 km) |
| Sumter to Castalla | 4,308.35 mi (6,933.62 km) |
| Sumter to Castellbisbal | 4,360.59 mi (7,017.69 km) |
| Sumter to Castelldefels | 4,365.60 mi (7,025.76 km) |
| Sumter to Castello de Ampurias | 4,391.38 mi (7,067.24 km) |
| Sumter to Castellon de la Plana | 4,302.90 mi (6,924.85 km) |
| Sumter to Castilleja de la Cuesta | 4,067.97 mi (6,546.77 km) |
| Sumter to Catarroja | 4,300.03 mi (6,920.24 km) |
| Sumter to Catral | 4,313.43 mi (6,941.79 km) |
| Sumter to Caudete | 4,289.68 mi (6,903.58 km) |
