| Rock Island to Hickory Hills (Illinois) | 143.41 mi (230.80 km) |
| Rock Island to Hicksville (New York) | 887.83 mi (1,428.82 km) |
| Rock Island to Hidalgo (Texas) | 1,147.73 mi (1,847.09 km) |
| Rock Island to High Point (North Carolina) | 684.08 mi (1,100.91 km) |
| Rock Island to Highland (California) | 1,530.58 mi (2,463.23 km) |
| Rock Island to Highland (Illinois) | 193.18 mi (310.90 km) |
| Rock Island to Highland (Indiana) | 161.71 mi (260.25 km) |
| Rock Island to Highland (Utah) | 1,106.58 mi (1,780.87 km) |
| Rock Island to Highland City (Florida) | 1,054.69 mi (1,697.35 km) |
| Rock Island to Highland Park (Illinois) | 150.98 mi (242.97 km) |
| Rock Island to Highland Park (New Jersey) | 843.99 mi (1,358.27 km) |
| Rock Island to Highland Springs (Virginia) | 755.63 mi (1,216.07 km) |
| Rock Island to Highland Village (Texas) | 679.31 mi (1,093.24 km) |
| Rock Island to Highlands Ranch (Colorado) | 766.58 mi (1,233.69 km) |
| Rock Island to Hillcrest (California) | 1,584.59 mi (2,550.15 km) |
