| Hennef to Carlsbad (New Mexico) | 5,343.09 mi (8,598.87 km) |
| Hennef to Carmel (Indiana) | 4,287.43 mi (6,899.96 km) |
| Hennef to Carmichael (California) | 5,520.05 mi (8,883.65 km) |
| Hennef to Carney (Maryland) | 3,938.88 mi (6,339.02 km) |
| Hennef to Carnot-Moon (Pennsylvania) | 4,033.52 mi (6,491.32 km) |
| Hennef to Carol Stream (Illinois) | 4,267.03 mi (6,867.13 km) |
| Hennef to Carolina (Puerto Rico) | 4,513.88 mi (7,264.38 km) |
| Hennef to Carolina Forest (South Carolina) | 4,301.70 mi (6,922.91 km) |
| Hennef to Carpentersville (Illinois) | 4,262.97 mi (6,860.59 km) |
| Hennef to Carpinteria (California) | 5,721.48 mi (9,207.84 km) |
| Hennef to Carrboro (North Carolina) | 4,204.83 mi (6,767.02 km) |
| Hennef to Carroll (Iowa) | 4,500.96 mi (7,243.59 km) |
| Hennef to Carrollton (Georgia) | 4,559.94 mi (7,338.52 km) |
| Hennef to Carrollton (Texas) | 5,045.77 mi (8,120.38 km) |
| Hennef to Carrollwood (Florida) | 4,733.40 mi (7,617.66 km) |
