| Rock Island to Hereford (Texas) | 788.29 mi (1,268.63 km) |
| Rock Island to Hermiston (Oregon) | 1,457.90 mi (2,346.26 km) |
| Rock Island to Hermitage (Pennsylvania) | 525.97 mi (846.46 km) |
| Rock Island to Hermosa Beach (California) | 1,601.06 mi (2,576.66 km) |
| Rock Island to Hernando (Mississippi) | 458.51 mi (737.90 km) |
| Rock Island to Herndon (Virginia) | 716.51 mi (1,153.10 km) |
| Rock Island to Herriman (Utah) | 1,117.23 mi (1,798.00 km) |
| Rock Island to Herrin (Illinois) | 266.78 mi (429.33 km) |
| Rock Island to Hershey (Pennsylvania) | 731.93 mi (1,177.93 km) |
| Rock Island to Hesperia (California) | 1,529.26 mi (2,461.11 km) |
| Rock Island to Hewitt (Texas) | 783.06 mi (1,260.22 km) |
| Rock Island to Hialeah (Florida) | 1,227.10 mi (1,974.83 km) |
| Rock Island to Hialeah Gardens (Florida) | 1,224.55 mi (1,970.72 km) |
| Rock Island to Hibbing (Minnesota) | 425.84 mi (685.33 km) |
| Rock Island to Hickory (North Carolina) | 637.08 mi (1,025.27 km) |
