| Rock Island to Holbrook (New York) | 911.01 mi (1,466.13 km) |
| Rock Island to Holiday (Florida) | 1,018.72 mi (1,639.47 km) |
| Rock Island to Holiday City-Berkeley (New Jersey) | 858.84 mi (1,382.16 km) |
| Rock Island to Holladay (Utah) | 1,105.10 mi (1,778.49 km) |
| Rock Island to Holland (Michigan) | 246.66 mi (396.95 km) |
| Rock Island to Hollins (Virginia) | 634.43 mi (1,021.01 km) |
| Rock Island to Hollister (California) | 1,672.14 mi (2,691.04 km) |
| Rock Island to Holly Hill (Florida) | 999.66 mi (1,608.80 km) |
| Rock Island to Holly Springs (Georgia) | 604.02 mi (972.08 km) |
| Rock Island to Holly Springs (North Carolina) | 750.00 mi (1,207.01 km) |
| Rock Island to Hollywood (Florida) | 1,220.96 mi (1,964.95 km) |
| Rock Island to Holmen (Wisconsin) | 176.22 mi (283.60 km) |
| Rock Island to Holt (Michigan) | 320.77 mi (516.23 km) |
| Rock Island to Holtsville (New York) | 912.13 mi (1,467.93 km) |
| Rock Island to Holyoke (Massachusetts) | 923.25 mi (1,485.82 km) |
