| Castle Rock to Madison (New Jersey) | 1,604.14 mi (2,581.61 km) |
| Castle Rock to Madison (Wisconsin) | 841.75 mi (1,354.66 km) |
| Castle Rock to Madison Heights (Michigan) | 1,152.25 mi (1,854.36 km) |
| Castle Rock to Madison Heights (Virginia) | 1,395.55 mi (2,245.92 km) |
| Castle Rock to Madisonville (Kentucky) | 948.96 mi (1,527.20 km) |
| Castle Rock to Magalia (California) | 891.19 mi (1,434.23 km) |
| Castle Rock to Magna (Utah) | 397.90 mi (640.35 km) |
| Castle Rock to Magnolia (Arkansas) | 771.32 mi (1,241.33 km) |
| Castle Rock to Maili (Hawaii) | 3,356.81 mi (5,402.26 km) |
| Castle Rock to Maitland (Florida) | 1,529.64 mi (2,461.72 km) |
| Castle Rock to Makakilo (Hawaii) | 3,354.20 mi (5,398.06 km) |
| Castle Rock to Malden (Massachusetts) | 1,765.68 mi (2,841.59 km) |
| Castle Rock to Malibu (California) | 854.00 mi (1,374.39 km) |
| Castle Rock to Maltby (Washington) | 1,037.58 mi (1,669.83 km) |
| Castle Rock to Malvern (Arkansas) | 748.65 mi (1,204.83 km) |
