| Signal Hill to Lovington (New Mexico) | 857.91 mi (1,380.67 km) |
| Signal Hill to Lowell (Indiana) | 1,751.61 mi (2,818.94 km) |
| Signal Hill to Lowell (Massachusetts) | 2,580.66 mi (4,153.17 km) |
| Signal Hill to Lower Burrell (Pennsylvania) | 2,149.85 mi (3,459.85 km) |
| Signal Hill to Lowes Island (Virginia) | 2,278.58 mi (3,667.02 km) |
| Signal Hill to Lubbock (Texas) | 935.16 mi (1,505.00 km) |
| Signal Hill to Lufkin (Texas) | 1,372.71 mi (2,209.16 km) |
| Signal Hill to Luling (Louisiana) | 1,649.44 mi (2,654.52 km) |
| Signal Hill to Lumberton (North Carolina) | 2,223.28 mi (3,578.02 km) |
| Signal Hill to Lumberton (Texas) | 1,421.42 mi (2,287.55 km) |
| Signal Hill to Lutz (Florida) | 2,141.14 mi (3,445.83 km) |
| Signal Hill to Lynbrook (New York) | 2,466.25 mi (3,969.05 km) |
| Signal Hill to Lynchburg (Virginia) | 2,188.20 mi (3,521.56 km) |
| Signal Hill to Lynden (Washington) | 1,069.45 mi (1,721.11 km) |
| Signal Hill to Lyndhurst (Ohio) | 2,058.91 mi (3,313.49 km) |
