| Round Rock to Alderwood Manor (Washington) | 1,764.41 mi (2,839.54 km) |
| Round Rock to Aldine (Texas) | 142.92 mi (230.01 km) |
| Round Rock to Alexander City (Alabama) | 708.44 mi (1,140.13 km) |
| Round Rock to Alexandria (Louisiana) | 312.38 mi (502.72 km) |
| Round Rock to Alexandria (Minnesota) | 1,067.75 mi (1,718.37 km) |
| Round Rock to Alexandria (Virginia) | 1,298.03 mi (2,088.98 km) |
| Round Rock to Algonquin (Illinois) | 956.22 mi (1,538.89 km) |
| Round Rock to Alhambra (California) | 1,218.28 mi (1,960.63 km) |
| Round Rock to Alice (Texas) | 193.01 mi (310.62 km) |
| Round Rock to Aliso Viejo (California) | 1,191.80 mi (1,918.01 km) |
| Round Rock to Allen (Texas) | 187.62 mi (301.95 km) |
| Round Rock to Allen Park (Michigan) | 1,138.50 mi (1,832.23 km) |
| Round Rock to Allendale (Michigan) | 1,075.36 mi (1,730.63 km) |
| Round Rock to Allentown (Pennsylvania) | 1,422.18 mi (2,288.77 km) |
| Round Rock to Alliance (Ohio) | 1,169.65 mi (1,882.36 km) |
