| Duffel to Hilliard (Ohio) | 4,052.99 mi (6,522.65 km) |
| Duffel to Hillsboro (Oregon) | 5,062.65 mi (8,147.55 km) |
| Duffel to Hillsborough (California) | 5,519.40 mi (8,882.61 km) |
| Duffel to Hillsborough (New Jersey) | 3,694.53 mi (5,945.78 km) |
| Duffel to Hilo (Hawaii) | 7,391.40 mi (11,895.30 km) |
| Duffel to Hilton Head Island (South Carolina) | 4,333.08 mi (6,973.41 km) |
| Duffel to Hinesville (Georgia) | 4,386.56 mi (7,059.48 km) |
| Duffel to Hinsdale (Illinois) | 4,151.22 mi (6,680.75 km) |
| Duffel to Hobart (Indiana) | 4,140.40 mi (6,663.32 km) |
| Duffel to Hobbs (New Mexico) | 5,175.71 mi (8,329.50 km) |
| Duffel to Hobe Sound (Florida) | 4,562.30 mi (7,342.31 km) |
| Duffel to Hoboken (New Jersey) | 3,658.83 mi (5,888.32 km) |
| Duffel to Hockessin (Delaware) | 3,768.30 mi (6,064.50 km) |
| Duffel to Hoffman Estates (Illinois) | 4,146.84 mi (6,673.70 km) |
| Duffel to Holbrook (New York) | 3,617.93 mi (5,822.50 km) |
