| Round Rock to Germantown (Tennessee) | 555.21 mi (893.53 km) |
| Round Rock to Germantown (Wisconsin) | 1,022.59 mi (1,645.70 km) |
| Round Rock to Gibsonton (Florida) | 940.17 mi (1,513.06 km) |
| Round Rock to Gig Harbor (Washington) | 1,759.21 mi (2,831.18 km) |
| Round Rock to Gilbert (Arizona) | 847.22 mi (1,363.46 km) |
| Round Rock to Gillette (Wyoming) | 1,041.47 mi (1,676.09 km) |
| Round Rock to Gilroy (California) | 1,440.45 mi (2,318.18 km) |
| Round Rock to Gladeview (Florida) | 1,108.27 mi (1,783.58 km) |
| Round Rock to Gladstone (Missouri) | 625.33 mi (1,006.37 km) |
| Round Rock to Gladstone (Oregon) | 1,690.58 mi (2,720.72 km) |
| Round Rock to Glasgow (Delaware) | 1,383.91 mi (2,227.18 km) |
| Round Rock to Glasgow (Kentucky) | 808.24 mi (1,300.73 km) |
| Round Rock to Glassboro (New Jersey) | 1,418.07 mi (2,282.17 km) |
| Round Rock to Glassmanor (Maryland) | 1,303.23 mi (2,097.34 km) |
| Round Rock to Glen Allen (Virginia) | 1,252.21 mi (2,015.23 km) |
