| Istrana to Cay | 1,082.78 mi (1,742.56 km) |
| Istrana to Caybasi | 1,290.52 mi (2,076.90 km) |
| Istrana to Caycuma | 1,039.44 mi (1,672.82 km) |
| Istrana to Cayeli | 1,463.56 mi (2,355.38 km) |
| Istrana to Cayiralan | 1,272.18 mi (2,047.38 km) |
| Istrana to Cayirhan | 1,060.32 mi (1,706.43 km) |
| Istrana to Cayirli | 1,466.13 mi (2,359.51 km) |
| Istrana to Cayirova | 929.46 mi (1,495.83 km) |
| Istrana to Caykara | 1,449.39 mi (2,332.57 km) |
| Istrana to Cekerek | 1,241.06 mi (1,997.29 km) |
| Istrana to Cekme | 913.81 mi (1,470.64 km) |
| Istrana to Celtik | 1,101.81 mi (1,773.20 km) |
| Istrana to Cerkes | 1,095.41 mi (1,762.90 km) |
| Istrana to Cerkezkoy | 851.30 mi (1,370.03 km) |
| Istrana to Cermik | 1,490.97 mi (2,399.49 km) |
