| National City to Los Alamitos (California) | 95.91 mi (154.35 km) |
| National City to Los Alamos (New Mexico) | 655.87 mi (1,055.52 km) |
| National City to Los Altos (California) | 430.64 mi (693.05 km) |
| National City to Los Angeles (California) | 125.37 mi (201.76 km) |
| National City to Los Banos (California) | 370.50 mi (596.27 km) |
| National City to Los Gatos (California) | 418.40 mi (673.36 km) |
| National City to Los Lunas (New Mexico) | 610.78 mi (982.96 km) |
| National City to Los Osos (California) | 280.78 mi (451.88 km) |
| National City to Loudoun Valley Estates (Virginia) | 2,242.49 mi (3,608.94 km) |
| National City to Louisville (Colorado) | 834.00 mi (1,342.19 km) |
| National City to Louisville (Kentucky) | 1,802.10 mi (2,900.20 km) |
| National City to Lovejoy (Georgia) | 1,891.21 mi (3,043.62 km) |
| National City to Loveland (Colorado) | 854.89 mi (1,375.82 km) |
| National City to Loveland (Ohio) | 1,880.31 mi (3,026.07 km) |
| National City to Loves Park (Illinois) | 1,669.03 mi (2,686.04 km) |
