| Round Rock to Laurinburg (North Carolina) | 1,096.01 mi (1,763.86 km) |
| Round Rock to Lawndale (California) | 1,229.37 mi (1,978.49 km) |
| Round Rock to Lawrence (Indiana) | 920.88 mi (1,482.01 km) |
| Round Rock to Lawrence (Kansas) | 598.29 mi (962.86 km) |
| Round Rock to Lawrence (Massachusetts) | 1,682.89 mi (2,708.34 km) |
| Round Rock to Lawrenceburg (Kentucky) | 892.88 mi (1,436.96 km) |
| Round Rock to Lawrenceburg (Tennessee) | 681.95 mi (1,097.50 km) |
| Round Rock to Lawrenceville (Georgia) | 832.49 mi (1,339.76 km) |
| Round Rock to Lawton (Oklahoma) | 286.03 mi (460.32 km) |
| Round Rock to Layton (Utah) | 1,080.51 mi (1,738.90 km) |
| Round Rock to Le Mars (Iowa) | 850.65 mi (1,368.99 km) |
| Round Rock to League City (Texas) | 168.93 mi (271.86 km) |
| Round Rock to Lealman (Florida) | 922.09 mi (1,483.96 km) |
| Round Rock to Leander (Texas) | 12.18 mi (19.60 km) |
| Round Rock to Leavenworth (Kansas) | 627.22 mi (1,009.42 km) |
