| Castle Rock to Lynn (Massachusetts) | 1,770.05 mi (2,848.62 km) |
| Castle Rock to Lynn Haven (Florida) | 1,256.07 mi (2,021.46 km) |
| Castle Rock to Lynnwood (Washington) | 1,046.58 mi (1,684.31 km) |
| Castle Rock to Lynwood (California) | 829.11 mi (1,334.32 km) |
| Castle Rock to Lyons (Illinois) | 907.83 mi (1,461.01 km) |
| Castle Rock to Mableton (Georgia) | 1,186.16 mi (1,908.93 km) |
| Castle Rock to Macedonia (Ohio) | 1,233.36 mi (1,984.89 km) |
| Castle Rock to Machesney Park (Illinois) | 850.94 mi (1,369.45 km) |
| Castle Rock to Mack (Ohio) | 1,077.09 mi (1,733.41 km) |
| Castle Rock to Macomb (Illinois) | 753.96 mi (1,213.38 km) |
| Castle Rock to Macon (Georgia) | 1,261.66 mi (2,030.44 km) |
| Castle Rock to Madera (California) | 842.54 mi (1,355.94 km) |
| Castle Rock to Madison (Alabama) | 1,046.31 mi (1,683.87 km) |
| Castle Rock to Madison (Indiana) | 1,042.57 mi (1,677.86 km) |
| Castle Rock to Madison (Mississippi) | 950.09 mi (1,529.02 km) |
