| Rock Island to Forney (Texas) | 683.77 mi (1,100.41 km) |
| Rock Island to Forrest City (Arkansas) | 446.24 mi (718.15 km) |
| Rock Island to Fort Atkinson (Wisconsin) | 134.27 mi (216.09 km) |
| Rock Island to Fort Bliss (Texas) | 1,096.55 mi (1,764.73 km) |
| Rock Island to Fort Campbell North (Kentucky) | 371.51 mi (597.89 km) |
| Rock Island to Fort Carson (Colorado) | 772.91 mi (1,243.88 km) |
| Rock Island to Fort Collins (Colorado) | 756.91 mi (1,218.12 km) |
| Rock Island to Fort Dodge (Iowa) | 197.96 mi (318.59 km) |
| Rock Island to Fort Drum (New York) | 770.36 mi (1,239.77 km) |
| Rock Island to Fort Hood (Texas) | 818.15 mi (1,316.69 km) |
| Rock Island to Fort Hunt (Virginia) | 738.38 mi (1,188.31 km) |
| Rock Island to Fort Lauderdale (Florida) | 1,214.65 mi (1,954.78 km) |
| Rock Island to Fort Lee (New Jersey) | 863.83 mi (1,390.19 km) |
| Rock Island to Fort Leonard Wood (Missouri) | 269.43 mi (433.60 km) |
| Rock Island to Fort Lewis (Washington) | 1,616.89 mi (2,602.14 km) |
