| Rock Island to Elyria (Ohio) | 439.04 mi (706.57 km) |
| Rock Island to Emeryville (California) | 1,695.75 mi (2,729.04 km) |
| Rock Island to Emmaus (Pennsylvania) | 788.22 mi (1,268.51 km) |
| Rock Island to Emporia (Kansas) | 364.91 mi (587.27 km) |
| Rock Island to Encinitas (California) | 1,570.28 mi (2,527.12 km) |
| Rock Island to Endicott (New York) | 748.37 mi (1,204.38 km) |
| Rock Island to Endwell (New York) | 750.48 mi (1,207.79 km) |
| Rock Island to Englewood (Colorado) | 765.99 mi (1,232.74 km) |
| Rock Island to Englewood (Florida) | 1,105.26 mi (1,778.75 km) |
| Rock Island to Englewood (New Jersey) | 863.30 mi (1,389.35 km) |
| Rock Island to Englewood (Ohio) | 347.00 mi (558.45 km) |
| Rock Island to Enid (Oklahoma) | 524.79 mi (844.57 km) |
| Rock Island to Ennis (Texas) | 714.39 mi (1,149.69 km) |
| Rock Island to Ensley (Florida) | 778.28 mi (1,252.52 km) |
| Rock Island to Enterprise (Alabama) | 748.31 mi (1,204.30 km) |
