| Round Rock to Ashtabula (Ohio) | 1,220.56 mi (1,964.29 km) |
| Round Rock to Ashwaubenon (Wisconsin) | 1,095.81 mi (1,763.54 km) |
| Round Rock to Aspen Hill (Maryland) | 1,304.78 mi (2,099.84 km) |
| Round Rock to Astoria (Oregon) | 1,768.30 mi (2,845.80 km) |
| Round Rock to Atascadero (California) | 1,373.67 mi (2,210.71 km) |
| Round Rock to Atascocita (Texas) | 152.16 mi (244.88 km) |
| Round Rock to Atchison (Kansas) | 640.37 mi (1,030.58 km) |
| Round Rock to Athens (Alabama) | 688.64 mi (1,108.26 km) |
| Round Rock to Athens (Georgia) | 867.42 mi (1,395.98 km) |
| Round Rock to Athens (Ohio) | 1,068.57 mi (1,719.70 km) |
| Round Rock to Athens (Tennessee) | 829.03 mi (1,334.20 km) |
| Round Rock to Athens (Texas) | 158.46 mi (255.01 km) |
| Round Rock to Atlanta (Georgia) | 805.62 mi (1,296.52 km) |
| Round Rock to Atlantic Beach (Florida) | 967.42 mi (1,556.91 km) |
| Round Rock to Atlantic City (New Jersey) | 1,444.17 mi (2,324.17 km) |
