| Hennef to Culpeper (Virginia) | 4,041.07 mi (6,503.47 km) |
| Hennef to Culver City (California) | 5,711.87 mi (9,192.36 km) |
| Hennef to Cumberland (Maryland) | 4,016.41 mi (6,463.78 km) |
| Hennef to Cupertino (California) | 5,618.37 mi (9,041.89 km) |
| Hennef to Cutler Bay (Florida) | 4,768.28 mi (7,673.80 km) |
| Hennef to Cutlerville (Michigan) | 4,132.37 mi (6,650.41 km) |
| Hennef to Cuyahoga Falls (Ohio) | 4,054.03 mi (6,524.33 km) |
| Hennef to Cypress (California) | 5,712.35 mi (9,193.14 km) |
| Hennef to Cypress Gardens (Florida) | 4,701.72 mi (7,566.69 km) |
| Hennef to Cypress Lake (Florida) | 4,784.95 mi (7,700.64 km) |
| Hennef to D'Iberville (Mississippi) | 4,869.52 mi (7,836.74 km) |
| Hennef to Dakota Ridge (Colorado) | 4,977.62 mi (8,010.70 km) |
| Hennef to Dale City (Virginia) | 4,006.68 mi (6,448.13 km) |
| Hennef to Dallas (Georgia) | 4,533.69 mi (7,296.27 km) |
| Hennef to Dallas (Oregon) | 5,194.46 mi (8,359.68 km) |
