| Rock Island to Havelock (North Carolina) | 868.94 mi (1,398.43 km) |
| Rock Island to Haverhill (Massachusetts) | 1,000.90 mi (1,610.79 km) |
| Rock Island to Havre de Grace (Maryland) | 770.60 mi (1,240.16 km) |
| Rock Island to Hawaiian Gardens (California) | 1,585.70 mi (2,551.93 km) |
| Rock Island to Hawaiian Paradise Park (Hawaii) | 4,020.37 mi (6,470.16 km) |
| Rock Island to Hawthorne (California) | 1,597.02 mi (2,570.15 km) |
| Rock Island to Hawthorne (New Jersey) | 853.13 mi (1,372.97 km) |
| Rock Island to Hayden (Idaho) | 1,353.28 mi (2,177.89 km) |
| Rock Island to Hayesville (Oregon) | 1,637.56 mi (2,635.39 km) |
| Rock Island to Hays (Kansas) | 494.52 mi (795.85 km) |
| Rock Island to Haysville (Kansas) | 450.33 mi (724.73 km) |
| Rock Island to Hayward (California) | 1,689.10 mi (2,718.34 km) |
| Rock Island to Hazel Crest (Illinois) | 149.81 mi (241.09 km) |
| Rock Island to Hazel Dell (Washington) | 1,620.31 mi (2,607.63 km) |
| Rock Island to Hazel Park (Michigan) | 390.46 mi (628.38 km) |
