| Seal Beach to Lovington (New Mexico) | 852.36 mi (1,371.75 km) |
| Seal Beach to Lowell (Indiana) | 1,748.12 mi (2,813.33 km) |
| Seal Beach to Lowell (Massachusetts) | 2,577.32 mi (4,147.80 km) |
| Seal Beach to Lower Burrell (Pennsylvania) | 2,146.15 mi (3,453.89 km) |
| Seal Beach to Lowes Island (Virginia) | 2,274.62 mi (3,660.64 km) |
| Seal Beach to Lubbock (Texas) | 929.84 mi (1,496.43 km) |
| Seal Beach to Lufkin (Texas) | 1,367.12 mi (2,200.16 km) |
| Seal Beach to Luling (Louisiana) | 1,643.79 mi (2,645.42 km) |
| Seal Beach to Lumberton (North Carolina) | 2,218.61 mi (3,570.50 km) |
| Seal Beach to Lumberton (Texas) | 1,415.68 mi (2,278.31 km) |
| Seal Beach to Lutz (Florida) | 2,135.54 mi (3,436.82 km) |
| Seal Beach to Lynbrook (New York) | 2,462.58 mi (3,963.15 km) |
| Seal Beach to Lynchburg (Virginia) | 2,183.95 mi (3,514.73 km) |
| Seal Beach to Lynden (Washington) | 1,073.79 mi (1,728.11 km) |
| Seal Beach to Lyndhurst (Ohio) | 2,055.39 mi (3,307.82 km) |
