| Houghton Regis to Caño Martin Peña (Puerto Rico) | 4,185.24 mi (6,735.49 km) |
| Houghton Regis to Cañon City (Colorado) | 4,732.04 mi (7,615.48 km) |
| Houghton Regis to Canóvanas (Puerto Rico) | 4,182.16 mi (6,730.54 km) |
| Houghton Regis to Canton (Georgia) | 4,161.59 mi (6,697.43 km) |
| Houghton Regis to Canton (Illinois) | 4,073.36 mi (6,555.44 km) |
| Houghton Regis to Canton (Mississippi) | 4,465.58 mi (7,186.66 km) |
| Houghton Regis to Canton (Ohio) | 3,726.92 mi (5,997.89 km) |
| Houghton Regis to Canyon (Texas) | 4,796.80 mi (7,719.71 km) |
| Houghton Regis to Canyon Lake (California) | 5,398.82 mi (8,688.57 km) |
| Houghton Regis to Canyon Lake (Texas) | 4,928.93 mi (7,932.35 km) |
| Houghton Regis to Cape Coral (Florida) | 4,438.09 mi (7,142.42 km) |
| Houghton Regis to Cape Girardeau (Missouri) | 4,212.55 mi (6,779.44 km) |
| Houghton Regis to Carbondale (Illinois) | 4,179.44 mi (6,726.16 km) |
| Houghton Regis to Carlisle (Pennsylvania) | 3,588.43 mi (5,775.02 km) |
| Houghton Regis to Carlsbad (California) | 5,431.73 mi (8,741.52 km) |
