| Round Rock to Garfield (New Jersey) | 1,495.91 mi (2,407.43 km) |
| Round Rock to Garfield Heights (Ohio) | 1,168.25 mi (1,880.12 km) |
| Round Rock to Garland (Texas) | 175.50 mi (282.44 km) |
| Round Rock to Garner (North Carolina) | 1,156.37 mi (1,861.00 km) |
| Round Rock to Gary (Indiana) | 955.73 mi (1,538.09 km) |
| Round Rock to Gastonia (North Carolina) | 1,008.74 mi (1,623.40 km) |
| Round Rock to Gatesville (Texas) | 63.52 mi (102.22 km) |
| Round Rock to Gateway (Florida) | 1,002.89 mi (1,613.99 km) |
| Round Rock to Gautier (Mississippi) | 536.33 mi (863.13 km) |
| Round Rock to Geneva (Illinois) | 940.37 mi (1,513.37 km) |
| Round Rock to Geneva (New York) | 1,421.53 mi (2,287.73 km) |
| Round Rock to Georgetown (Georgia) | 975.18 mi (1,569.40 km) |
| Round Rock to Georgetown (Kentucky) | 916.22 mi (1,474.52 km) |
| Round Rock to Georgetown (Texas) | 9.80 mi (15.76 km) |
| Round Rock to Germantown (Maryland) | 1,297.73 mi (2,088.49 km) |
