| Diamond Bar to Lowell (Indiana) | 1,727.52 mi (2,780.17 km) |
| Diamond Bar to Lowell (Massachusetts) | 2,556.49 mi (4,114.27 km) |
| Diamond Bar to Lower Burrell (Pennsylvania) | 2,125.91 mi (3,421.32 km) |
| Diamond Bar to Lowes Island (Virginia) | 2,254.87 mi (3,628.87 km) |
| Diamond Bar to Lubbock (Texas) | 914.28 mi (1,471.40 km) |
| Diamond Bar to Lufkin (Texas) | 1,352.78 mi (2,177.09 km) |
| Diamond Bar to Luling (Louisiana) | 1,629.76 mi (2,622.84 km) |
| Diamond Bar to Lumberton (North Carolina) | 2,200.63 mi (3,541.58 km) |
| Diamond Bar to Lumberton (Texas) | 1,402.15 mi (2,256.55 km) |
| Diamond Bar to Lutz (Florida) | 2,121.18 mi (3,413.72 km) |
| Diamond Bar to Lynbrook (New York) | 2,442.28 mi (3,930.48 km) |
| Diamond Bar to Lynchburg (Virginia) | 2,164.85 mi (3,483.98 km) |
| Diamond Bar to Lynden (Washington) | 1,060.03 mi (1,705.95 km) |
| Diamond Bar to Lyndhurst (Ohio) | 2,034.84 mi (3,274.76 km) |
| Diamond Bar to Lyndon (Kentucky) | 1,813.02 mi (2,917.77 km) |
