| Irthlingborough to Cermik | 2,145.62 mi (3,453.04 km) |
| Irthlingborough to Cesme | 1,610.86 mi (2,592.43 km) |
| Irthlingborough to Ceyhan | 2,047.15 mi (3,294.57 km) |
| Irthlingborough to Ceylanpinar | 2,228.90 mi (3,587.07 km) |
| Irthlingborough to Cicekdagi | 1,872.51 mi (3,013.52 km) |
| Irthlingborough to Cide | 1,717.32 mi (2,763.76 km) |
| Irthlingborough to Cifteler | 1,745.80 mi (2,809.59 km) |
| Irthlingborough to Ciftlik | 1,940.44 mi (3,122.83 km) |
| Irthlingborough to Ciftlikkoy | 1,619.45 mi (2,606.26 km) |
| Irthlingborough to Cihanbeyli | 1,854.96 mi (2,985.27 km) |
| Irthlingborough to Cildir | 2,172.39 mi (3,496.13 km) |
| Irthlingborough to Cilimli | 1,678.81 mi (2,701.79 km) |
| Irthlingborough to Cinar | 2,204.11 mi (3,547.17 km) |
| Irthlingborough to Cinarcik | 1,612.09 mi (2,594.41 km) |
| Irthlingborough to Cine | 1,713.01 mi (2,756.82 km) |
