| Castle Rock to New Lenox (Illinois) | 898.43 mi (1,445.89 km) |
| Castle Rock to New London (Connecticut) | 1,719.35 mi (2,767.03 km) |
| Castle Rock to New Milford (New Jersey) | 1,623.40 mi (2,612.61 km) |
| Castle Rock to New Orleans (Louisiana) | 1,061.48 mi (1,708.29 km) |
| Castle Rock to New Philadelphia (Ohio) | 1,239.21 mi (1,994.32 km) |
| Castle Rock to New Port Richey (Florida) | 1,479.20 mi (2,380.54 km) |
| Castle Rock to New Port Richey East (Florida) | 1,479.79 mi (2,381.50 km) |
| Castle Rock to New Providence (New Jersey) | 1,605.31 mi (2,583.49 km) |
| Castle Rock to New River (Arizona) | 551.76 mi (887.98 km) |
| Castle Rock to New Rochelle (New York) | 1,635.66 mi (2,632.35 km) |
| Castle Rock to New Smyrna Beach (Florida) | 1,534.37 mi (2,469.33 km) |
| Castle Rock to New Ulm (Minnesota) | 633.30 mi (1,019.21 km) |
| Castle Rock to New York (New York) | 1,630.24 mi (2,623.62 km) |
| Castle Rock to Newark (California) | 936.84 mi (1,507.70 km) |
| Castle Rock to Newark (Delaware) | 1,543.91 mi (2,484.68 km) |
