| Guyancourt to Cesme | 1,402.75 mi (2,257.51 km) |
| Guyancourt to Ceyhan | 1,870.30 mi (3,009.96 km) |
| Guyancourt to Ceylanpinar | 2,067.03 mi (3,326.57 km) |
| Guyancourt to Cicekdagi | 1,706.68 mi (2,746.64 km) |
| Guyancourt to Cide | 1,563.34 mi (2,515.96 km) |
| Guyancourt to Cifteler | 1,564.85 mi (2,518.38 km) |
| Guyancourt to Ciftlik | 1,765.32 mi (2,841.01 km) |
| Guyancourt to Ciftlikkoy | 1,440.65 mi (2,318.50 km) |
| Guyancourt to Cihanbeyli | 1,676.82 mi (2,698.59 km) |
| Guyancourt to Cildir | 2,049.02 mi (3,297.58 km) |
| Guyancourt to Cilimli | 1,509.07 mi (2,428.61 km) |
| Guyancourt to Cinar | 2,048.79 mi (3,297.20 km) |
| Guyancourt to Cinarcik | 1,432.28 mi (2,305.03 km) |
| Guyancourt to Cine | 1,508.18 mi (2,427.18 km) |
| Guyancourt to Civril | 1,551.04 mi (2,496.16 km) |
