| Hennef to Crest Hill (Illinois) | 4,283.10 mi (6,892.98 km) |
| Hennef to Crestview (Florida) | 4,762.61 mi (7,664.68 km) |
| Hennef to Crestwood (Illinois) | 4,265.81 mi (6,865.16 km) |
| Hennef to Crestwood (Missouri) | 4,515.64 mi (7,267.21 km) |
| Hennef to Creve Coeur (Missouri) | 4,512.78 mi (7,262.63 km) |
| Hennef to Crofton (Maryland) | 3,963.06 mi (6,377.93 km) |
| Hennef to Crossville (Tennessee) | 4,440.24 mi (7,145.87 km) |
| Hennef to Crowley (Louisiana) | 5,019.41 mi (8,077.96 km) |
| Hennef to Crowley (Texas) | 5,084.63 mi (8,182.92 km) |
| Hennef to Crown Point (Indiana) | 4,262.39 mi (6,859.65 km) |
| Hennef to Crystal (Minnesota) | 4,300.76 mi (6,921.40 km) |
| Hennef to Crystal Lake (Illinois) | 4,259.29 mi (6,854.67 km) |
| Hennef to Cudahy (California) | 5,708.04 mi (9,186.20 km) |
| Hennef to Cudahy (Wisconsin) | 4,207.78 mi (6,771.77 km) |
| Hennef to Cullman (Alabama) | 4,599.61 mi (7,402.36 km) |
