| Diamond Bar to Lemay (Missouri) | 1,559.24 mi (2,509.36 km) |
| Diamond Bar to Lemon Grove (California) | 98.42 mi (158.40 km) |
| Diamond Bar to Lemon Hill (California) | 372.21 mi (599.01 km) |
| Diamond Bar to Lemont (Illinois) | 1,702.06 mi (2,739.20 km) |
| Diamond Bar to Lemoore (California) | 194.15 mi (312.46 km) |
| Diamond Bar to Lenexa (Kansas) | 1,319.75 mi (2,123.92 km) |
| Diamond Bar to Lennox (California) | 31.37 mi (50.49 km) |
| Diamond Bar to Lenoir (North Carolina) | 2,047.61 mi (3,295.30 km) |
| Diamond Bar to Leominster (Massachusetts) | 2,533.94 mi (4,077.98 km) |
| Diamond Bar to Leon Valley (Texas) | 1,168.31 mi (1,880.22 km) |
| Diamond Bar to Levelland (Texas) | 886.95 mi (1,427.41 km) |
| Diamond Bar to Levittown (New York) | 2,450.45 mi (3,943.62 km) |
| Diamond Bar to Levittown (Pennsylvania) | 2,382.60 mi (3,834.42 km) |
| Diamond Bar to Lewisburg (Tennessee) | 1,757.52 mi (2,828.45 km) |
| Diamond Bar to Lewiston (Idaho) | 857.44 mi (1,379.92 km) |
