| Boulder to Lebanon (Indiana) | 992.64 mi (1,597.50 km) |
| Boulder to Lebanon (Missouri) | 696.16 mi (1,120.36 km) |
| Boulder to Lebanon (New Hampshire) | 1,705.67 mi (2,745.01 km) |
| Boulder to Lebanon (Ohio) | 1,116.21 mi (1,796.36 km) |
| Boulder to Lebanon (Oregon) | 952.44 mi (1,532.80 km) |
| Boulder to Lebanon (Pennsylvania) | 1,515.19 mi (2,438.46 km) |
| Boulder to Lebanon (Tennessee) | 1,058.77 mi (1,703.93 km) |
| Boulder to Lee's Summit (Missouri) | 584.46 mi (940.60 km) |
| Boulder to Leeds (Alabama) | 1,124.07 mi (1,809.02 km) |
| Boulder to Leesburg (Florida) | 1,535.08 mi (2,470.47 km) |
| Boulder to Leesburg (Virginia) | 1,470.73 mi (2,366.91 km) |
| Boulder to Lehi (Utah) | 350.21 mi (563.61 km) |
| Boulder to Lehigh Acres (Florida) | 1,640.12 mi (2,639.52 km) |
| Boulder to Leisure City (Florida) | 1,747.12 mi (2,811.71 km) |
| Boulder to Leland (North Carolina) | 1,546.24 mi (2,488.43 km) |
