| Round Rock to La Quinta (California) | 1,109.20 mi (1,785.09 km) |
| Round Rock to La Riviera (California) | 1,452.80 mi (2,338.06 km) |
| Round Rock to La Vergne (Tennessee) | 744.64 mi (1,198.38 km) |
| Round Rock to La Verne (California) | 1,197.78 mi (1,927.65 km) |
| Round Rock to La Vista (Nebraska) | 741.54 mi (1,193.39 km) |
| Round Rock to Lacey (Washington) | 1,756.49 mi (2,826.79 km) |
| Round Rock to Lackawanna (New York) | 1,340.01 mi (2,156.54 km) |
| Round Rock to Laconia (New Hampshire) | 1,691.12 mi (2,721.59 km) |
| Round Rock to Ladera Ranch (California) | 1,186.62 mi (1,909.69 km) |
| Round Rock to Ladson (South Carolina) | 1,044.18 mi (1,680.45 km) |
| Round Rock to Lady Lake (Florida) | 949.76 mi (1,528.50 km) |
| Round Rock to Lafayette (California) | 1,481.74 mi (2,384.63 km) |
| Round Rock to Lafayette (Colorado) | 776.40 mi (1,249.50 km) |
| Round Rock to Lafayette (Indiana) | 912.31 mi (1,468.22 km) |
| Round Rock to Lafayette (Louisiana) | 336.41 mi (541.40 km) |
