| Darby to Hilliard (Ohio) | 418.04 mi (672.77 km) |
| Darby to Hillsboro (Oregon) | 2,414.46 mi (3,885.69 km) |
| Darby to Hillsborough (California) | 2,513.94 mi (4,045.79 km) |
| Darby to Hillsborough (New Jersey) | 51.67 mi (83.16 km) |
| Darby to Hilo (Hawaii) | 4,829.20 mi (7,771.85 km) |
| Darby to Hilton Head Island (South Carolina) | 615.60 mi (990.72 km) |
| Darby to Hinesville (Georgia) | 662.45 mi (1,066.11 km) |
| Darby to Hinsdale (Illinois) | 673.84 mi (1,084.44 km) |
| Darby to Hobart (Indiana) | 638.05 mi (1,026.84 km) |
| Darby to Hobbs (New Mexico) | 1,622.86 mi (2,611.74 km) |
| Darby to Hobe Sound (Florida) | 930.79 mi (1,497.96 km) |
| Darby to Hoboken (New Jersey) | 86.37 mi (138.99 km) |
| Darby to Hockessin (Delaware) | 24.24 mi (39.01 km) |
| Darby to Hoffman Estates (Illinois) | 687.41 mi (1,106.28 km) |
| Darby to Holbrook (New York) | 130.18 mi (209.51 km) |
