| Hennef to Clarkston (Georgia) | 4,514.88 mi (7,265.99 km) |
| Hennef to Clarksville (Indiana) | 4,352.76 mi (7,005.10 km) |
| Hennef to Clarksville (Tennessee) | 4,499.63 mi (7,241.46 km) |
| Hennef to Clawson (Michigan) | 4,052.34 mi (6,521.62 km) |
| Hennef to Clay (Alabama) | 4,614.72 mi (7,426.67 km) |
| Hennef to Clayton (California) | 5,577.78 mi (8,976.58 km) |
| Hennef to Clayton (Missouri) | 4,509.47 mi (7,257.29 km) |
| Hennef to Clayton (North Carolina) | 4,191.73 mi (6,745.93 km) |
| Hennef to Clayton (Ohio) | 4,222.91 mi (6,796.12 km) |
| Hennef to Clearfield (Utah) | 5,110.86 mi (8,225.13 km) |
| Hennef to Clearlake (California) | 5,535.41 mi (8,908.38 km) |
| Hennef to Clearwater (Florida) | 4,747.64 mi (7,640.59 km) |
| Hennef to Cleburne (Texas) | 5,098.51 mi (8,205.27 km) |
| Hennef to Clemmons (North Carolina) | 4,252.05 mi (6,843.02 km) |
| Hennef to Clemson (South Carolina) | 4,414.77 mi (7,104.89 km) |
