| Rockford to Elyria (Ohio) | 363.34 mi (584.75 km) |
| Rockford to Emeryville (California) | 1,772.29 mi (2,852.22 km) |
| Rockford to Emmaus (Pennsylvania) | 712.36 mi (1,146.43 km) |
| Rockford to Emporia (Kansas) | 460.18 mi (740.59 km) |
| Rockford to Encinitas (California) | 1,658.80 mi (2,669.58 km) |
| Rockford to Endicott (New York) | 665.08 mi (1,070.34 km) |
| Rockford to Endwell (New York) | 667.09 mi (1,073.58 km) |
| Rockford to Englewood (Colorado) | 849.29 mi (1,366.81 km) |
| Rockford to Englewood (Florida) | 1,122.16 mi (1,805.94 km) |
| Rockford to Englewood (New Jersey) | 784.64 mi (1,262.75 km) |
| Rockford to Englewood (Ohio) | 297.93 mi (479.47 km) |
| Rockford to Enid (Oklahoma) | 619.90 mi (997.63 km) |
| Rockford to Ennis (Texas) | 801.88 mi (1,290.51 km) |
| Rockford to Ensley (Florida) | 816.76 mi (1,314.45 km) |
| Rockford to Enterprise (Alabama) | 775.86 mi (1,248.63 km) |
