| Round Rock to Eatontown (New Jersey) | 1,484.38 mi (2,388.87 km) |
| Round Rock to Eau Claire (Wisconsin) | 1,042.76 mi (1,678.16 km) |
| Round Rock to Echelon (New Jersey) | 1,427.27 mi (2,296.97 km) |
| Round Rock to Eden (North Carolina) | 1,109.76 mi (1,785.98 km) |
| Round Rock to Eden Prairie (Minnesota) | 1,015.51 mi (1,634.31 km) |
| Round Rock to Edgewater (Florida) | 1,008.15 mi (1,622.47 km) |
| Round Rock to Edgewater (New Jersey) | 1,501.11 mi (2,415.80 km) |
| Round Rock to Edgewood (Maryland) | 1,352.08 mi (2,175.96 km) |
| Round Rock to Edgewood (Washington) | 1,742.96 mi (2,805.03 km) |
| Round Rock to Edina (Minnesota) | 1,019.58 mi (1,640.86 km) |
| Round Rock to Edinburg (Texas) | 292.26 mi (470.34 km) |
| Round Rock to Edmond (Oklahoma) | 355.56 mi (572.22 km) |
| Round Rock to Edmonds (Washington) | 1,767.62 mi (2,844.70 km) |
| Round Rock to Edwards (Colorado) | 806.04 mi (1,297.20 km) |
| Round Rock to Edwardsville (Illinois) | 718.03 mi (1,155.57 km) |
