| Rio Grande City to Cermik | 7,224.74 mi (11,627.10 km) |
| Rio Grande City to Cesme | 6,729.85 mi (10,830.65 km) |
| Rio Grande City to Ceyhan | 7,157.05 mi (11,518.15 km) |
| Rio Grande City to Ceylanpinar | 7,315.26 mi (11,772.78 km) |
| Rio Grande City to Cicekdagi | 6,973.03 mi (11,222.00 km) |
| Rio Grande City to Cide | 6,806.56 mi (10,954.10 km) |
| Rio Grande City to Cifteler | 6,862.00 mi (11,043.33 km) |
| Rio Grande City to Ciftlik | 7,049.96 mi (11,345.81 km) |
| Rio Grande City to Ciftlikkoy | 6,735.43 mi (10,839.63 km) |
| Rio Grande City to Cihanbeyli | 6,968.15 mi (11,214.16 km) |
| Rio Grande City to Cildir | 7,174.39 mi (11,546.06 km) |
| Rio Grande City to Cilimli | 6,787.12 mi (10,922.81 km) |
| Rio Grande City to Cinar | 7,279.44 mi (11,715.12 km) |
| Rio Grande City to Cinarcik | 6,728.73 mi (10,828.84 km) |
| Rio Grande City to Cine | 6,833.49 mi (10,997.43 km) |
