| Placentia to Lombard (Illinois) | 1,708.32 mi (2,749.27 km) |
| Placentia to Lomita (California) | 27.20 mi (43.78 km) |
| Placentia to Lompoc (California) | 158.82 mi (255.59 km) |
| Placentia to London (Ohio) | 1,934.25 mi (3,112.87 km) |
| Placentia to Lone Tree (Colorado) | 817.20 mi (1,315.15 km) |
| Placentia to Long Beach (California) | 18.78 mi (30.23 km) |
| Placentia to Long Beach (Mississippi) | 1,690.83 mi (2,721.12 km) |
| Placentia to Long Beach (New York) | 2,448.40 mi (3,940.33 km) |
| Placentia to Long Branch (New Jersey) | 2,432.62 mi (3,914.92 km) |
| Placentia to Longmont (Colorado) | 825.65 mi (1,328.75 km) |
| Placentia to Longview (Texas) | 1,335.63 mi (2,149.49 km) |
| Placentia to Longview (Washington) | 889.02 mi (1,430.73 km) |
| Placentia to Longwood (Florida) | 2,173.44 mi (3,497.81 km) |
| Placentia to Lorain (Ohio) | 2,004.36 mi (3,225.71 km) |
| Placentia to Lorton (Virginia) | 2,268.90 mi (3,651.44 km) |
