| Grayslake to Cermik | 5,972.22 mi (9,611.36 km) |
| Grayslake to Cesme | 5,507.18 mi (8,862.94 km) |
| Grayslake to Ceyhan | 5,913.46 mi (9,516.79 km) |
| Grayslake to Ceylanpinar | 6,063.74 mi (9,758.65 km) |
| Grayslake to Cicekdagi | 5,726.66 mi (9,216.17 km) |
| Grayslake to Cide | 5,558.04 mi (8,944.80 km) |
| Grayslake to Cifteler | 5,623.35 mi (9,049.90 km) |
| Grayslake to Ciftlik | 5,806.65 mi (9,344.90 km) |
| Grayslake to Ciftlikkoy | 5,497.14 mi (8,846.79 km) |
| Grayslake to Cihanbeyli | 5,727.09 mi (9,216.86 km) |
| Grayslake to Cildir | 5,915.11 mi (9,519.45 km) |
| Grayslake to Cilimli | 5,544.47 mi (8,922.96 km) |
| Grayslake to Cinar | 6,026.05 mi (9,697.99 km) |
| Grayslake to Cinarcik | 5,490.95 mi (8,836.82 km) |
| Grayslake to Cine | 5,608.28 mi (9,025.66 km) |
