| Knowle to Hilliard (Ohio) | 3,772.73 mi (6,071.63 km) |
| Knowle to Hillsboro (Oregon) | 4,829.21 mi (7,771.86 km) |
| Knowle to Hillsborough (California) | 5,273.66 mi (8,487.14 km) |
| Knowle to Hillsborough (New Jersey) | 3,412.93 mi (5,492.58 km) |
| Knowle to Hilo (Hawaii) | 7,205.30 mi (11,595.81 km) |
| Knowle to Hilton Head Island (South Carolina) | 4,051.71 mi (6,520.60 km) |
| Knowle to Hinesville (Georgia) | 4,105.14 mi (6,606.58 km) |
| Knowle to Hinsdale (Illinois) | 3,873.98 mi (6,234.56 km) |
| Knowle to Hobart (Indiana) | 3,862.61 mi (6,216.28 km) |
| Knowle to Hobbs (New Mexico) | 4,901.49 mi (7,888.18 km) |
| Knowle to Hobe Sound (Florida) | 4,282.73 mi (6,892.39 km) |
| Knowle to Hoboken (New Jersey) | 3,377.22 mi (5,435.11 km) |
| Knowle to Hockessin (Delaware) | 3,486.70 mi (5,611.30 km) |
| Knowle to Hoffman Estates (Illinois) | 3,869.91 mi (6,228.02 km) |
| Knowle to Holbrook (New York) | 3,336.30 mi (5,369.26 km) |
