| Houghton Regis to Cermik | 2,136.48 mi (3,438.33 km) |
| Houghton Regis to Cesme | 1,594.81 mi (2,566.60 km) |
| Houghton Regis to Ceyhan | 2,035.42 mi (3,275.70 km) |
| Houghton Regis to Ceylanpinar | 2,219.14 mi (3,571.36 km) |
| Houghton Regis to Cicekdagi | 1,862.01 mi (2,996.62 km) |
| Houghton Regis to Cide | 1,708.10 mi (2,748.92 km) |
| Houghton Regis to Cifteler | 1,733.33 mi (2,789.52 km) |
| Houghton Regis to Ciftlik | 1,928.85 mi (3,104.18 km) |
| Houghton Regis to Ciftlikkoy | 1,607.13 mi (2,586.42 km) |
| Houghton Regis to Cihanbeyli | 1,842.93 mi (2,965.91 km) |
| Houghton Regis to Cildir | 2,167.17 mi (3,487.72 km) |
| Houghton Regis to Cilimli | 1,667.66 mi (2,683.84 km) |
| Houghton Regis to Cinar | 2,195.12 mi (3,532.71 km) |
| Houghton Regis to Cinarcik | 1,599.64 mi (2,574.36 km) |
| Houghton Regis to Cine | 1,697.47 mi (2,731.81 km) |
