| Boulder to Lawndale (California) | 837.12 mi (1,347.21 km) |
| Boulder to Lawrence (Indiana) | 1,018.38 mi (1,638.92 km) |
| Boulder to Lawrence (Kansas) | 537.34 mi (864.76 km) |
| Boulder to Lawrence (Massachusetts) | 1,765.39 mi (2,841.11 km) |
| Boulder to Lawrenceburg (Kentucky) | 1,098.42 mi (1,767.73 km) |
| Boulder to Lawrenceburg (Tennessee) | 1,032.33 mi (1,661.37 km) |
| Boulder to Lawrenceville (Georgia) | 1,242.32 mi (1,999.31 km) |
| Boulder to Lawton (Oklahoma) | 529.30 mi (851.83 km) |
| Boulder to Layton (Utah) | 359.57 mi (578.68 km) |
| Boulder to Le Mars (Iowa) | 507.26 mi (816.36 km) |
| Boulder to League City (Texas) | 926.86 mi (1,491.64 km) |
| Boulder to Lealman (Florida) | 1,537.36 mi (2,474.14 km) |
| Boulder to Leander (Texas) | 774.03 mi (1,245.68 km) |
| Boulder to Leavenworth (Kansas) | 551.08 mi (886.88 km) |
| Boulder to Leawood (Kansas) | 571.70 mi (920.07 km) |
