| Sumter to Cognac | 4,147.70 mi (6,675.08 km) |
| Sumter to Cogolin | 4,524.28 mi (7,281.12 km) |
| Sumter to Colmar | 4,427.07 mi (7,124.68 km) |
| Sumter to Colombes | 4,188.17 mi (6,740.21 km) |
| Sumter to Colomiers | 4,274.59 mi (6,879.28 km) |
| Sumter to Combs-la-Ville | 4,207.20 mi (6,770.84 km) |
| Sumter to Comines | 4,178.74 mi (6,725.03 km) |
| Sumter to Compiegne | 4,201.32 mi (6,761.36 km) |
| Sumter to Concarneau | 3,940.18 mi (6,341.11 km) |
| Sumter to Conde-sur-l'Escaut | 4,209.92 mi (6,775.21 km) |
| Sumter to Conflans-Sainte-Honorine | 4,179.86 mi (6,726.84 km) |
| Sumter to Corbas | 4,384.23 mi (7,055.74 km) |
| Sumter to Corbeil-Essonnes | 4,205.14 mi (6,767.52 km) |
| Sumter to Cormeilles-en-Parisis | 4,184.85 mi (6,734.87 km) |
| Sumter to Cosne sur Loire | 4,252.79 mi (6,844.21 km) |
