| Round Rock to Glen Burnie (Maryland) | 1,330.19 mi (2,140.74 km) |
| Round Rock to Glen Carbon (Illinois) | 716.40 mi (1,152.93 km) |
| Round Rock to Glen Cove (New York) | 1,519.15 mi (2,444.83 km) |
| Round Rock to Glen Ellyn (Illinois) | 947.51 mi (1,524.87 km) |
| Round Rock to Glen Rock (New Jersey) | 1,497.13 mi (2,409.39 km) |
| Round Rock to Glendale (Arizona) | 877.88 mi (1,412.81 km) |
| Round Rock to Glendale (California) | 1,225.33 mi (1,971.98 km) |
| Round Rock to Glendale (Wisconsin) | 1,022.09 mi (1,644.90 km) |
| Round Rock to Glendale Heights (Illinois) | 949.94 mi (1,528.78 km) |
| Round Rock to Glendora (California) | 1,202.31 mi (1,934.93 km) |
| Round Rock to Glenmont (Maryland) | 1,306.02 mi (2,101.84 km) |
| Round Rock to Glenn Dale (Maryland) | 1,316.17 mi (2,118.18 km) |
| Round Rock to Glenn Heights (Texas) | 147.72 mi (237.73 km) |
| Round Rock to Glenpool (Oklahoma) | 386.66 mi (622.27 km) |
| Round Rock to Glens Falls (New York) | 1,584.72 mi (2,550.36 km) |
