| Castle Rock to Lewiston (Maine) | 1,804.01 mi (2,903.27 km) |
| Castle Rock to Lewisville (North Carolina) | 1,349.95 mi (2,172.53 km) |
| Castle Rock to Lewisville (Texas) | 619.12 mi (996.38 km) |
| Castle Rock to Lexington (Kentucky) | 1,101.10 mi (1,772.05 km) |
| Castle Rock to Lexington (Nebraska) | 286.81 mi (461.57 km) |
| Castle Rock to Lexington (North Carolina) | 1,364.10 mi (2,195.30 km) |
| Castle Rock to Lexington (South Carolina) | 1,356.93 mi (2,183.77 km) |
| Castle Rock to Lexington Park (Maryland) | 1,525.20 mi (2,454.58 km) |
| Castle Rock to Liberal (Kansas) | 266.96 mi (429.63 km) |
| Castle Rock to Liberty (Missouri) | 557.61 mi (897.38 km) |
| Castle Rock to Liberty Lake (Washington) | 837.74 mi (1,348.21 km) |
| Castle Rock to Liberty Triangle (Florida) | 1,469.95 mi (2,365.66 km) |
| Castle Rock to Libertyville (Illinois) | 903.78 mi (1,454.49 km) |
| Castle Rock to Lighthouse Point (Florida) | 1,690.08 mi (2,719.91 km) |
| Castle Rock to Lilburn (Georgia) | 1,206.36 mi (1,941.46 km) |
