| Boulder to La Riviera (California) | 865.63 mi (1,393.10 km) |
| Boulder to La Vergne (Tennessee) | 1,052.22 mi (1,693.38 km) |
| Boulder to La Verne (California) | 800.49 mi (1,288.27 km) |
| Boulder to La Vista (Nebraska) | 488.22 mi (785.72 km) |
| Boulder to Lacey (Washington) | 1,000.42 mi (1,610.03 km) |
| Boulder to Lackawanna (New York) | 1,376.61 mi (2,215.43 km) |
| Boulder to Laconia (New Hampshire) | 1,744.66 mi (2,807.76 km) |
| Boulder to Ladera Ranch (California) | 817.42 mi (1,315.51 km) |
| Boulder to Ladson (South Carolina) | 1,472.01 mi (2,368.98 km) |
| Boulder to Lady Lake (Florida) | 1,527.00 mi (2,457.47 km) |
| Boulder to Lafayette (California) | 916.66 mi (1,475.22 km) |
| Boulder to Lafayette (Colorado) | 8.34 mi (13.42 km) |
| Boulder to Lafayette (Indiana) | 969.08 mi (1,559.59 km) |
| Boulder to Lafayette (Louisiana) | 1,007.00 mi (1,620.61 km) |
| Boulder to LaGrange (Georgia) | 1,218.43 mi (1,960.87 km) |
