| Rockford to Forney (Texas) | 771.47 mi (1,241.56 km) |
| Rockford to Forrest City (Arkansas) | 509.25 mi (819.55 km) |
| Rockford to Fort Atkinson (Wisconsin) | 47.33 mi (76.18 km) |
| Rockford to Fort Bliss (Texas) | 1,191.73 mi (1,917.90 km) |
| Rockford to Fort Campbell North (Kentucky) | 395.82 mi (637.02 km) |
| Rockford to Fort Carson (Colorado) | 859.69 mi (1,383.54 km) |
| Rockford to Fort Collins (Colorado) | 836.40 mi (1,346.05 km) |
| Rockford to Fort Dodge (Iowa) | 261.38 mi (420.64 km) |
| Rockford to Fort Drum (New York) | 679.85 mi (1,094.12 km) |
| Rockford to Fort Hood (Texas) | 906.61 mi (1,459.05 km) |
| Rockford to Fort Hunt (Virginia) | 675.36 mi (1,086.88 km) |
| Rockford to Fort Lauderdale (Florida) | 1,222.98 mi (1,968.20 km) |
| Rockford to Fort Lee (New Jersey) | 785.34 mi (1,263.88 km) |
| Rockford to Fort Leonard Wood (Missouri) | 350.79 mi (564.55 km) |
| Rockford to Fort Lewis (Washington) | 1,666.18 mi (2,681.46 km) |
