| Portici to Cesme | 659.40 mi (1,061.20 km) |
| Portici to Ceyhan | 1,180.27 mi (1,899.46 km) |
| Portici to Ceylanpinar | 1,405.29 mi (2,261.60 km) |
| Portici to Cicekdagi | 1,059.80 mi (1,705.59 km) |
| Portici to Cide | 968.84 mi (1,559.20 km) |
| Portici to Cifteler | 886.69 mi (1,426.99 km) |
| Portici to Ciftlik | 1,086.99 mi (1,749.34 km) |
| Portici to Ciftlikkoy | 783.46 mi (1,260.86 km) |
| Portici to Cihanbeyli | 996.83 mi (1,604.24 km) |
| Portici to Cildir | 1,495.20 mi (2,406.30 km) |
| Portici to Cilimli | 871.83 mi (1,403.07 km) |
| Portici to Cinar | 1,405.63 mi (2,262.15 km) |
| Portici to Cinarcik | 772.98 mi (1,244.00 km) |
| Portici to Cine | 766.24 mi (1,233.14 km) |
| Portici to Civril | 837.26 mi (1,347.44 km) |
