| Castle Rock to La Riviera (California) | 886.89 mi (1,427.31 km) |
| Castle Rock to La Vergne (Tennessee) | 1,024.76 mi (1,649.19 km) |
| Castle Rock to La Verne (California) | 800.94 mi (1,288.98 km) |
| Castle Rock to La Vista (Nebraska) | 479.44 mi (771.59 km) |
| Castle Rock to Lacey (Washington) | 1,043.74 mi (1,679.73 km) |
| Castle Rock to Lackawanna (New York) | 1,369.91 mi (2,204.66 km) |
| Castle Rock to Laconia (New Hampshire) | 1,739.94 mi (2,800.17 km) |
| Castle Rock to Ladera Ranch (California) | 815.58 mi (1,312.55 km) |
| Castle Rock to Ladson (South Carolina) | 1,442.89 mi (2,322.11 km) |
| Castle Rock to Lady Lake (Florida) | 1,490.29 mi (2,398.39 km) |
| Castle Rock to Lafayette (California) | 936.03 mi (1,506.39 km) |
| Castle Rock to Lafayette (Colorado) | 44.68 mi (71.91 km) |
| Castle Rock to Lafayette (Indiana) | 954.93 mi (1,536.81 km) |
| Castle Rock to Lafayette (Louisiana) | 962.81 mi (1,549.49 km) |
| Castle Rock to LaGrange (Georgia) | 1,185.51 mi (1,907.89 km) |
