| Round Rock to Eagan (Minnesota) | 1,017.12 mi (1,636.90 km) |
| Round Rock to Eagle (Idaho) | 1,370.66 mi (2,205.87 km) |
| Round Rock to Eagle Mountain (Utah) | 1,051.03 mi (1,691.48 km) |
| Round Rock to Eagle Pass (Texas) | 210.71 mi (339.10 km) |
| Round Rock to Easley (South Carolina) | 924.78 mi (1,488.29 km) |
| Round Rock to East Bakersfield (California) | 1,277.36 mi (2,055.72 km) |
| Round Rock to East Bethel (Minnesota) | 1,052.55 mi (1,693.91 km) |
| Round Rock to East Chicago (Indiana) | 955.16 mi (1,537.18 km) |
| Round Rock to East Cleveland (Ohio) | 1,173.73 mi (1,888.93 km) |
| Round Rock to East Glenville (New York) | 1,558.67 mi (2,508.43 km) |
| Round Rock to East Grand Rapids (Michigan) | 1,084.73 mi (1,745.71 km) |
| Round Rock to East Hemet (California) | 1,147.63 mi (1,846.93 km) |
| Round Rock to East Highland Park (Virginia) | 1,255.50 mi (2,020.53 km) |
| Round Rock to East Honolulu (Hawaii) | 3,744.25 mi (6,025.79 km) |
| Round Rock to East Islip (New York) | 1,537.44 mi (2,474.27 km) |
