| Hennef to Hilliard (Ohio) | 4,170.03 mi (6,711.02 km) |
| Hennef to Hillsboro (Oregon) | 5,149.07 mi (8,286.62 km) |
| Hennef to Hillsborough (California) | 5,612.37 mi (9,032.24 km) |
| Hennef to Hillsborough (New Jersey) | 3,814.13 mi (6,138.25 km) |
| Hennef to Hilo (Hawaii) | 7,450.83 mi (11,990.95 km) |
| Hennef to Hilton Head Island (South Carolina) | 4,453.95 mi (7,167.94 km) |
| Hennef to Hinesville (Georgia) | 4,507.33 mi (7,253.85 km) |
| Hennef to Hinsdale (Illinois) | 4,265.23 mi (6,864.22 km) |
| Hennef to Hobart (Indiana) | 4,254.88 mi (6,847.57 km) |
| Hennef to Hobbs (New Mexico) | 5,287.04 mi (8,508.67 km) |
| Hennef to Hobe Sound (Florida) | 4,684.29 mi (7,538.63 km) |
| Hennef to Hoboken (New Jersey) | 3,778.50 mi (6,080.91 km) |
| Hennef to Hockessin (Delaware) | 3,887.92 mi (6,257.01 km) |
| Hennef to Hoffman Estates (Illinois) | 4,260.57 mi (6,856.73 km) |
| Hennef to Holbrook (New York) | 3,737.83 mi (6,015.46 km) |
