| Round Rock to Glenvar Heights (Florida) | 1,106.97 mi (1,781.49 km) |
| Round Rock to Glenview (Illinois) | 966.90 mi (1,556.07 km) |
| Round Rock to Gloucester (Massachusetts) | 1,703.51 mi (2,741.53 km) |
| Round Rock to Gloucester City (New Jersey) | 1,422.25 mi (2,288.89 km) |
| Round Rock to Gloucester Point (Virginia) | 1,296.42 mi (2,086.38 km) |
| Round Rock to Gloversville (New York) | 1,545.06 mi (2,486.53 km) |
| Round Rock to Godfrey (Illinois) | 719.22 mi (1,157.48 km) |
| Round Rock to Gold Canyon (Arizona) | 829.44 mi (1,334.85 km) |
| Round Rock to Golden (Colorado) | 765.56 mi (1,232.05 km) |
| Round Rock to Golden Gate (Florida) | 1,014.71 mi (1,633.02 km) |
| Round Rock to Golden Glades (Florida) | 1,108.52 mi (1,784.00 km) |
| Round Rock to Golden Valley (Minnesota) | 1,026.19 mi (1,651.50 km) |
| Round Rock to Goldenrod (Florida) | 991.87 mi (1,596.25 km) |
| Round Rock to Goldsboro (North Carolina) | 1,187.55 mi (1,911.18 km) |
| Round Rock to Goleta (California) | 1,318.68 mi (2,122.21 km) |
