| Round Rock to Fort Madison (Iowa) | 781.91 mi (1,258.37 km) |
| Round Rock to Fort Meade (Maryland) | 1,322.13 mi (2,127.76 km) |
| Round Rock to Fort Mill (South Carolina) | 1,018.32 mi (1,638.83 km) |
| Round Rock to Fort Mohave (Arizona) | 1,028.46 mi (1,655.14 km) |
| Round Rock to Fort Morgan (Colorado) | 754.96 mi (1,214.99 km) |
| Round Rock to Fort Myers (Florida) | 996.98 mi (1,604.48 km) |
| Round Rock to Fort Oglethorpe (Georgia) | 782.58 mi (1,259.44 km) |
| Round Rock to Fort Payne (Alabama) | 747.80 mi (1,203.46 km) |
| Round Rock to Fort Pierce (Florida) | 1,067.50 mi (1,717.98 km) |
| Round Rock to Fort Smith (Arkansas) | 384.02 mi (618.02 km) |
| Round Rock to Fort Thomas (Kentucky) | 952.75 mi (1,533.31 km) |
| Round Rock to Fort Walton Beach (Florida) | 657.30 mi (1,057.82 km) |
| Round Rock to Fort Washington (Maryland) | 1,300.07 mi (2,092.26 km) |
| Round Rock to Fort Wayne (Indiana) | 1,010.19 mi (1,625.75 km) |
| Round Rock to Fort Worth (Texas) | 156.89 mi (252.50 km) |
