| Round Rock to East Providence (Rhode Island) | 1,652.03 mi (2,658.68 km) |
| Round Rock to East Rancho Dominguez (California) | 1,220.42 mi (1,964.08 km) |
| Round Rock to East Renton Highlands (Washington) | 1,744.27 mi (2,807.13 km) |
| Round Rock to East Ridge (Tennessee) | 785.03 mi (1,263.38 km) |
| Round Rock to East Riverdale (Maryland) | 1,310.23 mi (2,108.61 km) |
| Round Rock to East San Gabriel (California) | 1,215.30 mi (1,955.84 km) |
| Round Rock to East St. Louis (Illinois) | 703.71 mi (1,132.52 km) |
| Round Rock to East Wenatchee (Washington) | 1,672.89 mi (2,692.25 km) |
| Round Rock to Eastern Goleta Valley (California) | 1,314.69 mi (2,115.78 km) |
| Round Rock to Eastlake (Ohio) | 1,184.98 mi (1,907.04 km) |
| Round Rock to Eastmont (Washington) | 1,764.28 mi (2,839.34 km) |
| Round Rock to Easton (Maryland) | 1,348.74 mi (2,170.59 km) |
| Round Rock to Easton (Pennsylvania) | 1,436.88 mi (2,312.44 km) |
| Round Rock to Eastpointe (Michigan) | 1,158.03 mi (1,863.66 km) |
| Round Rock to Eastvale (California) | 1,185.78 mi (1,908.32 km) |
