| Round Rock to Cermik | 6,945.95 mi (11,178.43 km) |
| Round Rock to Cesme | 6,466.34 mi (10,406.57 km) |
| Round Rock to Ceyhan | 6,883.70 mi (11,078.24 km) |
| Round Rock to Ceylanpinar | 7,037.17 mi (11,325.24 km) |
| Round Rock to Cicekdagi | 6,698.06 mi (10,779.49 km) |
| Round Rock to Cide | 6,530.28 mi (10,509.47 km) |
| Round Rock to Cifteler | 6,591.14 mi (10,607.41 km) |
| Round Rock to Ciftlik | 6,776.73 mi (10,906.09 km) |
| Round Rock to Ciftlikkoy | 6,464.69 mi (10,403.92 km) |
| Round Rock to Cihanbeyli | 6,696.09 mi (10,776.32 km) |
| Round Rock to Cildir | 6,889.37 mi (11,087.36 km) |
| Round Rock to Cilimli | 6,514.15 mi (10,483.52 km) |
| Round Rock to Cinar | 7,000.03 mi (11,265.47 km) |
| Round Rock to Cinarcik | 6,458.24 mi (10,393.53 km) |
| Round Rock to Cine | 6,568.94 mi (10,571.68 km) |
