| Signal Hill to Lombard (Illinois) | 1,726.71 mi (2,778.87 km) |
| Signal Hill to Lomita (California) | 8.60 mi (13.85 km) |
| Signal Hill to Lompoc (California) | 144.33 mi (232.28 km) |
| Signal Hill to London (Ohio) | 1,952.88 mi (3,142.86 km) |
| Signal Hill to Lone Tree (Colorado) | 835.25 mi (1,344.20 km) |
| Signal Hill to Long Beach (California) | 0.37 mi (0.60 km) |
| Signal Hill to Long Beach (Mississippi) | 1,708.76 mi (2,749.99 km) |
| Signal Hill to Long Beach (New York) | 2,466.98 mi (3,970.22 km) |
| Signal Hill to Long Branch (New Jersey) | 2,451.21 mi (3,944.85 km) |
| Signal Hill to Longmont (Colorado) | 843.40 mi (1,357.32 km) |
| Signal Hill to Longview (Texas) | 1,353.80 mi (2,178.74 km) |
| Signal Hill to Longview (Washington) | 889.37 mi (1,431.30 km) |
| Signal Hill to Longwood (Florida) | 2,191.46 mi (3,526.81 km) |
| Signal Hill to Lorain (Ohio) | 2,022.87 mi (3,255.49 km) |
| Signal Hill to Lorton (Virginia) | 2,287.59 mi (3,681.52 km) |
