| Rockford to El Segundo (California) | 1,686.22 mi (2,713.71 km) |
| Rockford to El Sobrante (California) | 1,640.51 mi (2,640.15 km) |
| Rockford to Eldersburg (Maryland) | 662.49 mi (1,066.18 km) |
| Rockford to Elfers (Florida) | 1,033.53 mi (1,663.31 km) |
| Rockford to Elgin (Illinois) | 40.87 mi (65.78 km) |
| Rockford to Elizabeth (New Jersey) | 776.88 mi (1,250.27 km) |
| Rockford to Elizabeth City (North Carolina) | 799.09 mi (1,286.02 km) |
| Rockford to Elizabethton (Tennessee) | 547.99 mi (881.91 km) |
| Rockford to Elizabethtown (Kentucky) | 357.11 mi (574.72 km) |
| Rockford to Elizabethtown (Pennsylvania) | 663.43 mi (1,067.69 km) |
| Rockford to Elk City (Oklahoma) | 731.76 mi (1,177.65 km) |
| Rockford to Elk Grove (California) | 1,712.25 mi (2,755.61 km) |
| Rockford to Elk Grove Village (Illinois) | 57.64 mi (92.76 km) |
| Rockford to Elk Plain (Washington) | 1,656.77 mi (2,666.32 km) |
| Rockford to Elk River (Minnesota) | 308.91 mi (497.14 km) |
