| Rickmansworth to Clarkston (Georgia) | 4,180.94 mi (6,728.57 km) |
| Rickmansworth to Clarksville (Indiana) | 4,025.24 mi (6,478.00 km) |
| Rickmansworth to Clarksville (Tennessee) | 4,171.44 mi (6,713.29 km) |
| Rickmansworth to Clawson (Michigan) | 3,728.34 mi (6,000.19 km) |
| Rickmansworth to Clay (Alabama) | 4,282.60 mi (6,892.18 km) |
| Rickmansworth to Clayton (California) | 5,313.39 mi (8,551.07 km) |
| Rickmansworth to Clayton (Missouri) | 4,187.47 mi (6,739.09 km) |
| Rickmansworth to Clayton (North Carolina) | 3,855.41 mi (6,204.68 km) |
| Rickmansworth to Clayton (Ohio) | 3,896.06 mi (6,270.10 km) |
| Rickmansworth to Clearfield (Utah) | 4,829.67 mi (7,772.61 km) |
| Rickmansworth to Clearlake (California) | 5,274.87 mi (8,489.08 km) |
| Rickmansworth to Clearwater (Florida) | 4,408.92 mi (7,095.46 km) |
| Rickmansworth to Cleburne (Texas) | 4,776.55 mi (7,687.12 km) |
| Rickmansworth to Clemmons (North Carolina) | 3,917.31 mi (6,304.31 km) |
| Rickmansworth to Clemson (South Carolina) | 4,080.55 mi (6,567.01 km) |
