| Round Rock to Forney (Texas) | 168.94 mi (271.88 km) |
| Round Rock to Forrest City (Arkansas) | 505.18 mi (813.01 km) |
| Round Rock to Fort Atkinson (Wisconsin) | 984.75 mi (1,584.81 km) |
| Round Rock to Fort Bliss (Texas) | 522.65 mi (841.13 km) |
| Round Rock to Fort Campbell North (Kentucky) | 722.84 mi (1,163.29 km) |
| Round Rock to Fort Carson (Colorado) | 694.42 mi (1,117.57 km) |
| Round Rock to Fort Collins (Colorado) | 807.05 mi (1,298.83 km) |
| Round Rock to Fort Dodge (Iowa) | 850.08 mi (1,368.07 km) |
| Round Rock to Fort Drum (New York) | 1,514.62 mi (2,437.54 km) |
| Round Rock to Fort Hood (Texas) | 42.65 mi (68.63 km) |
| Round Rock to Fort Hunt (Virginia) | 1,297.48 mi (2,088.09 km) |
| Round Rock to Fort Lauderdale (Florida) | 1,106.24 mi (1,780.32 km) |
| Round Rock to Fort Lee (New Jersey) | 1,501.91 mi (2,417.08 km) |
| Round Rock to Fort Leonard Wood (Missouri) | 591.10 mi (951.28 km) |
| Round Rock to Fort Lewis (Washington) | 1,749.24 mi (2,815.13 km) |
