| Sumter to Chojnice | 4,666.35 mi (7,509.76 km) |
| Sumter to Chojnow | 4,682.47 mi (7,535.71 km) |
| Sumter to Chorzow | 4,830.16 mi (7,773.39 km) |
| Sumter to Choszczno | 4,604.32 mi (7,409.94 km) |
| Sumter to Chrzanow | 4,853.15 mi (7,810.38 km) |
| Sumter to Ciechanow | 4,805.74 mi (7,734.09 km) |
| Sumter to Ciechocinek | 4,737.72 mi (7,624.62 km) |
| Sumter to Cieszyn | 4,836.52 mi (7,783.62 km) |
| Sumter to Czarna Bialostocka | 4,885.31 mi (7,862.15 km) |
| Sumter to Czarnkow | 4,655.31 mi (7,492.00 km) |
| Sumter to Czechowice-Dziedzice | 4,845.47 mi (7,798.03 km) |
| Sumter to Czeladz | 4,834.15 mi (7,779.82 km) |
| Sumter to Czersk Pomorski | 4,678.78 mi (7,529.77 km) |
| Sumter to Czestochowa | 4,819.62 mi (7,756.43 km) |
| Sumter to Czluchow | 4,660.72 mi (7,500.71 km) |
