| Rock Island to Hagerstown (Maryland) | 686.20 mi (1,104.34 km) |
| Rock Island to Haines City (Florida) | 1,052.56 mi (1,693.94 km) |
| Rock Island to Halawa (Hawaii) | 4,098.66 mi (6,596.15 km) |
| Rock Island to Half Moon Bay (California) | 1,711.53 mi (2,754.44 km) |
| Rock Island to Halfway (Maryland) | 684.13 mi (1,100.99 km) |
| Rock Island to Hallandale Beach (Florida) | 1,224.39 mi (1,970.46 km) |
| Rock Island to Haltom City (Texas) | 701.64 mi (1,129.19 km) |
| Rock Island to Ham Lake (Minnesota) | 292.73 mi (471.10 km) |
| Rock Island to Hamilton (Ohio) | 347.35 mi (559.01 km) |
| Rock Island to Hamilton Square (New Jersey) | 835.84 mi (1,345.15 km) |
| Rock Island to Hammond (Indiana) | 160.20 mi (257.82 km) |
| Rock Island to Hammond (Louisiana) | 757.56 mi (1,219.17 km) |
| Rock Island to Hammonton (New Jersey) | 838.29 mi (1,349.10 km) |
| Rock Island to Hampton (Virginia) | 818.32 mi (1,316.96 km) |
| Rock Island to Hampton Bays (New York) | 938.54 mi (1,510.43 km) |
