| Niederkassel to Hilliard (Ohio) | 4,159.32 mi (6,693.78 km) |
| Niederkassel to Hillsboro (Oregon) | 5,141.08 mi (8,273.77 km) |
| Niederkassel to Hillsborough (California) | 5,603.80 mi (9,018.45 km) |
| Niederkassel to Hillsborough (New Jersey) | 3,803.20 mi (6,120.66 km) |
| Niederkassel to Hilo (Hawaii) | 7,445.33 mi (11,982.11 km) |
| Niederkassel to Hilton Head Island (South Carolina) | 4,442.91 mi (7,150.18 km) |
| Niederkassel to Hinesville (Georgia) | 4,496.30 mi (7,236.10 km) |
| Niederkassel to Hinsdale (Illinois) | 4,254.78 mi (6,847.40 km) |
| Niederkassel to Hobart (Indiana) | 4,244.39 mi (6,830.68 km) |
| Niederkassel to Hobbs (New Mexico) | 5,276.83 mi (8,492.24 km) |
| Niederkassel to Hobe Sound (Florida) | 4,673.16 mi (7,520.72 km) |
| Niederkassel to Hoboken (New Jersey) | 3,767.56 mi (6,063.30 km) |
| Niederkassel to Hockessin (Delaware) | 3,876.99 mi (6,239.41 km) |
| Niederkassel to Hoffman Estates (Illinois) | 4,250.15 mi (6,839.95 km) |
| Niederkassel to Holbrook (New York) | 3,726.87 mi (5,997.82 km) |
