| Sumter to Civril | 5,734.38 mi (9,228.59 km) |
| Sumter to Cizre | 6,284.26 mi (10,113.54 km) |
| Sumter to Cobanlar | 5,761.29 mi (9,271.90 km) |
| Sumter to Corlu | 5,532.71 mi (8,904.03 km) |
| Sumter to Corum | 5,849.63 mi (9,414.08 km) |
| Sumter to Cukurca | 6,342.86 mi (10,207.85 km) |
| Sumter to Cukurcayir | 6,013.94 mi (9,678.51 km) |
| Sumter to Cumayeri | 5,674.21 mi (9,131.76 km) |
| Sumter to Cumra | 5,894.32 mi (9,485.99 km) |
| Sumter to Cungus | 6,128.94 mi (9,863.58 km) |
| Sumter to Dargecit | 6,255.86 mi (10,067.83 km) |
| Sumter to Davutlar | 5,653.26 mi (9,098.04 km) |
| Sumter to Demirozu | 6,058.56 mi (9,750.32 km) |
| Sumter to Demre | 5,833.17 mi (9,387.57 km) |
| Sumter to Denizciler | 6,079.27 mi (9,783.64 km) |
