| Round Rock to Lindon (Utah) | 1,039.68 mi (1,673.20 km) |
| Round Rock to Lindsay (California) | 1,293.94 mi (2,082.40 km) |
| Round Rock to Linganore (Maryland) | 1,301.89 mi (2,095.19 km) |
| Round Rock to Lino Lakes (Minnesota) | 1,041.54 mi (1,676.20 km) |
| Round Rock to Linthicum (Maryland) | 1,328.67 mi (2,138.28 km) |
| Round Rock to Linton Hall (Virginia) | 1,271.81 mi (2,046.77 km) |
| Round Rock to Lisle (Illinois) | 942.59 mi (1,516.96 km) |
| Round Rock to Lithia Springs (Georgia) | 793.20 mi (1,276.52 km) |
| Round Rock to Little Canada (Minnesota) | 1,031.94 mi (1,660.75 km) |
| Round Rock to Little Chute (Wisconsin) | 1,078.70 mi (1,736.00 km) |
| Round Rock to Little Elm (Texas) | 188.70 mi (303.68 km) |
| Round Rock to Little Ferry (New Jersey) | 1,498.50 mi (2,411.60 km) |
| Round Rock to Little Rock (Arkansas) | 423.55 mi (681.63 km) |
| Round Rock to Littleton (Colorado) | 751.19 mi (1,208.93 km) |
| Round Rock to Live Oak (California) | 1,461.62 mi (2,352.24 km) |
