| Seal Beach to Los Alamitos (California) | 3.05 mi (4.90 km) |
| Seal Beach to Los Alamos (New Mexico) | 684.12 mi (1,100.98 km) |
| Seal Beach to Los Altos (California) | 336.89 mi (542.17 km) |
| Seal Beach to Los Angeles (California) | 31.43 mi (50.59 km) |
| Seal Beach to Los Banos (California) | 276.70 mi (445.31 km) |
| Seal Beach to Los Gatos (California) | 324.66 mi (522.49 km) |
| Seal Beach to Los Lunas (New Mexico) | 648.38 mi (1,043.46 km) |
| Seal Beach to Los Osos (California) | 189.87 mi (305.57 km) |
| Seal Beach to Loudoun Valley Estates (Virginia) | 2,266.73 mi (3,647.96 km) |
| Seal Beach to Louisville (Colorado) | 832.50 mi (1,339.78 km) |
| Seal Beach to Louisville (Kentucky) | 1,829.18 mi (2,943.79 km) |
| Seal Beach to Lovejoy (Georgia) | 1,933.85 mi (3,112.23 km) |
| Seal Beach to Loveland (Colorado) | 850.69 mi (1,369.05 km) |
| Seal Beach to Loveland (Ohio) | 1,903.65 mi (3,063.64 km) |
| Seal Beach to Loves Park (Illinois) | 1,679.38 mi (2,702.71 km) |
