| Round Rock to Leland (North Carolina) | 1,171.79 mi (1,885.81 km) |
| Round Rock to Lemay (Missouri) | 693.99 mi (1,116.87 km) |
| Round Rock to Lemon Grove (California) | 1,148.05 mi (1,847.61 km) |
| Round Rock to Lemon Hill (California) | 1,457.25 mi (2,345.21 km) |
| Round Rock to Lemont (Illinois) | 939.22 mi (1,511.53 km) |
| Round Rock to Lemoore (California) | 1,333.83 mi (2,146.60 km) |
| Round Rock to Lenexa (Kansas) | 604.86 mi (973.44 km) |
| Round Rock to Lennox (California) | 1,230.00 mi (1,979.50 km) |
| Round Rock to Lenoir (North Carolina) | 1,002.69 mi (1,613.68 km) |
| Round Rock to Leominster (Massachusetts) | 1,649.53 mi (2,654.66 km) |
| Round Rock to Leon Valley (Texas) | 91.17 mi (146.72 km) |
| Round Rock to Levelland (Texas) | 346.69 mi (557.94 km) |
| Round Rock to Levittown (New York) | 1,521.35 mi (2,448.38 km) |
| Round Rock to Levittown (Pennsylvania) | 1,441.59 mi (2,320.01 km) |
| Round Rock to Lewisburg (Tennessee) | 715.53 mi (1,151.54 km) |
