| Rock Island to El Segundo (California) | 1,599.71 mi (2,574.49 km) |
| Rock Island to El Sobrante (California) | 1,553.30 mi (2,499.80 km) |
| Rock Island to Eldersburg (Maryland) | 730.03 mi (1,174.86 km) |
| Rock Island to Elfers (Florida) | 1,017.46 mi (1,637.45 km) |
| Rock Island to Elgin (Illinois) | 122.86 mi (197.73 km) |
| Rock Island to Elizabeth (New Jersey) | 854.38 mi (1,374.99 km) |
| Rock Island to Elizabeth City (North Carolina) | 849.05 mi (1,366.41 km) |
| Rock Island to Elizabethton (Tennessee) | 571.51 mi (919.75 km) |
| Rock Island to Elizabethtown (Kentucky) | 361.15 mi (581.21 km) |
| Rock Island to Elizabethtown (Pennsylvania) | 736.08 mi (1,184.60 km) |
| Rock Island to Elk City (Oklahoma) | 636.57 mi (1,024.46 km) |
| Rock Island to Elk Grove (California) | 1,636.47 mi (2,633.64 km) |
| Rock Island to Elk Grove Village (Illinois) | 138.61 mi (223.06 km) |
| Rock Island to Elk Plain (Washington) | 1,607.30 mi (2,586.70 km) |
| Rock Island to Elk River (Minnesota) | 305.93 mi (492.35 km) |
