| Summerlin South to Lovington (New Mexico) | 717.95 mi (1,155.43 km) |
| Summerlin South to Lowell (Indiana) | 1,539.54 mi (2,477.65 km) |
| Summerlin South to Lowell (Massachusetts) | 2,365.70 mi (3,807.22 km) |
| Summerlin South to Lower Burrell (Pennsylvania) | 1,940.86 mi (3,123.51 km) |
| Summerlin South to Lowes Island (Virginia) | 2,074.19 mi (3,338.08 km) |
| Summerlin South to Lubbock (Texas) | 781.89 mi (1,258.32 km) |
| Summerlin South to Lufkin (Texas) | 1,227.01 mi (1,974.69 km) |
| Summerlin South to Luling (Louisiana) | 1,504.97 mi (2,422.02 km) |
| Summerlin South to Lumberton (North Carolina) | 2,036.45 mi (3,277.35 km) |
| Summerlin South to Lumberton (Texas) | 1,283.88 mi (2,066.20 km) |
| Summerlin South to Lutz (Florida) | 1,991.02 mi (3,204.24 km) |
| Summerlin South to Lynbrook (New York) | 2,256.37 mi (3,631.27 km) |
| Summerlin South to Lynchburg (Virginia) | 1,990.19 mi (3,202.91 km) |
| Summerlin South to Lynden (Washington) | 956.44 mi (1,539.25 km) |
| Summerlin South to Lyndhurst (Ohio) | 1,847.04 mi (2,972.52 km) |
