| Houghton Regis to Clermont (Florida) | 4,331.18 mi (6,970.36 km) |
| Houghton Regis to Cleveland (Mississippi) | 4,435.37 mi (7,138.03 km) |
| Houghton Regis to Cleveland (Ohio) | 3,708.92 mi (5,968.93 km) |
| Houghton Regis to Cleveland (Tennessee) | 4,131.34 mi (6,648.75 km) |
| Houghton Regis to Cleveland Heights (Ohio) | 3,702.77 mi (5,959.03 km) |
| Houghton Regis to Cliffside Park (New Jersey) | 3,431.02 mi (5,521.70 km) |
| Houghton Regis to Clifton (Colorado) | 4,808.87 mi (7,739.13 km) |
| Houghton Regis to Clifton (New Jersey) | 3,436.12 mi (5,529.91 km) |
| Houghton Regis to Clinton (Iowa) | 4,019.79 mi (6,469.22 km) |
| Houghton Regis to Clinton (Maryland) | 3,641.75 mi (5,860.83 km) |
| Houghton Regis to Clinton (Mississippi) | 4,490.15 mi (7,226.20 km) |
| Houghton Regis to Clinton (Utah) | 4,814.93 mi (7,748.88 km) |
| Houghton Regis to Clive (Iowa) | 4,162.46 mi (6,698.83 km) |
| Houghton Regis to Cloquet (Minnesota) | 3,872.88 mi (6,232.80 km) |
| Houghton Regis to Cloverleaf (Texas) | 4,813.09 mi (7,745.92 km) |
