| Houghton Regis to Clarkston (Georgia) | 4,172.79 mi (6,715.45 km) |
| Houghton Regis to Clarksville (Indiana) | 4,015.74 mi (6,462.71 km) |
| Houghton Regis to Clarksville (Tennessee) | 4,162.07 mi (6,698.20 km) |
| Houghton Regis to Clawson (Michigan) | 3,718.25 mi (5,983.94 km) |
| Houghton Regis to Clay (Alabama) | 4,274.02 mi (6,878.37 km) |
| Houghton Regis to Clayton (California) | 5,298.39 mi (8,526.93 km) |
| Houghton Regis to Clayton (Missouri) | 4,177.11 mi (6,722.41 km) |
| Houghton Regis to Clayton (North Carolina) | 3,847.94 mi (6,192.66 km) |
| Houghton Regis to Clayton (Ohio) | 3,886.43 mi (6,254.61 km) |
| Houghton Regis to Clearfield (Utah) | 4,815.59 mi (7,749.95 km) |
| Houghton Regis to Clearlake (California) | 5,259.68 mi (8,464.63 km) |
| Houghton Regis to Clearwater (Florida) | 4,402.43 mi (7,085.03 km) |
| Houghton Regis to Cleburne (Texas) | 4,766.22 mi (7,670.49 km) |
| Houghton Regis to Clemmons (North Carolina) | 3,909.37 mi (6,291.52 km) |
| Houghton Regis to Clemson (South Carolina) | 4,072.47 mi (6,554.01 km) |
