| National City to Lombard (Illinois) | 1,710.66 mi (2,753.04 km) |
| National City to Lomita (California) | 105.06 mi (169.08 km) |
| National City to Lompoc (California) | 237.99 mi (383.02 km) |
| National City to London (Ohio) | 1,927.76 mi (3,102.43 km) |
| National City to Lone Tree (Colorado) | 830.02 mi (1,335.79 km) |
| National City to Long Beach (California) | 99.68 mi (160.41 km) |
| National City to Long Beach (Mississippi) | 1,648.31 mi (2,652.70 km) |
| National City to Long Beach (New York) | 2,443.99 mi (3,933.22 km) |
| National City to Long Branch (New Jersey) | 2,427.34 mi (3,906.42 km) |
| National City to Longmont (Colorado) | 843.51 mi (1,357.50 km) |
| National City to Longview (Texas) | 1,297.87 mi (2,088.72 km) |
| National City to Longview (Washington) | 981.92 mi (1,580.25 km) |
| National City to Longwood (Florida) | 2,131.81 mi (3,430.82 km) |
| National City to Lorain (Ohio) | 2,003.00 mi (3,223.52 km) |
| National City to Lorton (Virginia) | 2,258.55 mi (3,634.79 km) |
