| Round Rock to Lancaster (Texas) | 152.01 mi (244.64 km) |
| Round Rock to Land O' Lakes (Florida) | 929.41 mi (1,495.74 km) |
| Round Rock to Landover (Maryland) | 1,310.56 mi (2,109.14 km) |
| Round Rock to Langley Park (Maryland) | 1,307.41 mi (2,104.07 km) |
| Round Rock to Lanham (Maryland) | 1,313.75 mi (2,114.27 km) |
| Round Rock to Lansdale (Pennsylvania) | 1,422.62 mi (2,289.49 km) |
| Round Rock to Lansdowne (Pennsylvania) | 1,415.51 mi (2,278.04 km) |
| Round Rock to Lansdowne (Virginia) | 1,284.48 mi (2,067.17 km) |
| Round Rock to Lansing (Illinois) | 947.77 mi (1,525.29 km) |
| Round Rock to Lansing (Kansas) | 622.19 mi (1,001.32 km) |
| Round Rock to Lansing (Michigan) | 1,109.50 mi (1,785.57 km) |
| Round Rock to Lantana (Florida) | 1,101.46 mi (1,772.63 km) |
| Round Rock to Lantana (Texas) | 180.11 mi (289.85 km) |
| Round Rock to Laplace (Louisiana) | 429.89 mi (691.85 km) |
| Round Rock to Laramie (Wyoming) | 866.63 mi (1,394.71 km) |
