| Sumter to Cavdir | 5,781.60 mi (9,304.58 km) |
| Sumter to Cay | 5,776.28 mi (9,296.03 km) |
| Sumter to Caybasi | 5,910.77 mi (9,512.46 km) |
| Sumter to Caycuma | 5,695.61 mi (9,166.20 km) |
| Sumter to Cayeli | 6,044.96 mi (9,728.43 km) |
| Sumter to Cayiralan | 5,933.63 mi (9,549.26 km) |
| Sumter to Cayirhan | 5,737.76 mi (9,234.03 km) |
| Sumter to Cayirli | 6,081.29 mi (9,786.90 km) |
| Sumter to Cayirova | 5,611.55 mi (9,030.92 km) |
| Sumter to Caykara | 6,043.55 mi (9,726.16 km) |
| Sumter to Cekerek | 5,892.46 mi (9,483.00 km) |
| Sumter to Cekme | 5,594.57 mi (9,003.59 km) |
| Sumter to Celtik | 5,789.27 mi (9,316.93 km) |
| Sumter to Cerkes | 5,755.28 mi (9,262.24 km) |
| Sumter to Cerkezkoy | 5,535.49 mi (8,908.51 km) |
