| Round Rock to Laredo (Texas) | 232.54 mi (374.24 km) |
| Round Rock to Largo (Florida) | 915.38 mi (1,473.16 km) |
| Round Rock to Largo (Maryland) | 1,312.49 mi (2,112.25 km) |
| Round Rock to Larkspur (California) | 1,504.39 mi (2,421.08 km) |
| Round Rock to Las Cruces (New Mexico) | 551.98 mi (888.33 km) |
| Round Rock to Las Vegas (Nevada) | 1,087.32 mi (1,749.88 km) |
| Round Rock to Las Vegas (New Mexico) | 560.35 mi (901.80 km) |
| Round Rock to Latham (New York) | 1,563.17 mi (2,515.68 km) |
| Round Rock to Lathrop (California) | 1,437.62 mi (2,313.63 km) |
| Round Rock to Lauderdale Lakes (Florida) | 1,102.38 mi (1,774.11 km) |
| Round Rock to Lauderhill (Florida) | 1,101.25 mi (1,772.30 km) |
| Round Rock to Laurel (Florida) | 948.86 mi (1,527.04 km) |
| Round Rock to Laurel (Maryland) | 1,315.90 mi (2,117.74 km) |
| Round Rock to Laurel (Mississippi) | 510.25 mi (821.16 km) |
| Round Rock to Laurel (Virginia) | 1,250.45 mi (2,012.41 km) |
