| Seal Beach to Leland (North Carolina) | 2,279.43 mi (3,668.39 km) |
| Seal Beach to Lemay (Missouri) | 1,578.76 mi (2,540.77 km) |
| Seal Beach to Lemon Grove (California) | 92.56 mi (148.97 km) |
| Seal Beach to Lemon Hill (California) | 379.40 mi (610.58 km) |
| Seal Beach to Lemont (Illinois) | 1,722.81 mi (2,772.60 km) |
| Seal Beach to Lemoore (California) | 200.90 mi (323.31 km) |
| Seal Beach to Lenexa (Kansas) | 1,339.67 mi (2,155.98 km) |
| Seal Beach to Lennox (California) | 20.81 mi (33.48 km) |
| Seal Beach to Lenoir (North Carolina) | 2,066.01 mi (3,324.91 km) |
| Seal Beach to Leominster (Massachusetts) | 2,554.74 mi (4,111.46 km) |
| Seal Beach to Leon Valley (Texas) | 1,179.91 mi (1,898.88 km) |
| Seal Beach to Levelland (Texas) | 902.48 mi (1,452.40 km) |
| Seal Beach to Levittown (New York) | 2,470.77 mi (3,976.32 km) |
| Seal Beach to Levittown (Pennsylvania) | 2,402.74 mi (3,866.83 km) |
| Seal Beach to Lewisburg (Tennessee) | 1,775.47 mi (2,857.34 km) |
