| Rock Island to Humble (Texas) | 835.04 mi (1,343.87 km) |
| Rock Island to Hunters Creek (Florida) | 1,042.04 mi (1,677.00 km) |
| Rock Island to Huntersville (North Carolina) | 671.38 mi (1,080.48 km) |
| Rock Island to Huntington (Indiana) | 267.08 mi (429.83 km) |
| Rock Island to Huntington (Virginia) | 736.36 mi (1,185.06 km) |
| Rock Island to Huntington (West Virginia) | 480.34 mi (773.03 km) |
| Rock Island to Huntington Beach (California) | 1,586.39 mi (2,553.05 km) |
| Rock Island to Huntington Park (California) | 1,588.28 mi (2,556.10 km) |
| Rock Island to Huntington Station (New York) | 893.17 mi (1,437.42 km) |
| Rock Island to Huntley (Illinois) | 120.52 mi (193.97 km) |
| Rock Island to Huntsville (Alabama) | 514.50 mi (828.00 km) |
| Rock Island to Huntsville (Texas) | 793.83 mi (1,277.54 km) |
| Rock Island to Huron (South Dakota) | 434.34 mi (699.01 km) |
| Rock Island to Hurricane (Utah) | 1,249.32 mi (2,010.58 km) |
| Rock Island to Hurst (Texas) | 698.01 mi (1,123.34 km) |
