| Castle Rock to New Britain (Connecticut) | 1,681.85 mi (2,706.68 km) |
| Castle Rock to New Brunswick (New Jersey) | 1,604.94 mi (2,582.89 km) |
| Castle Rock to New Carrollton (Maryland) | 1,492.79 mi (2,402.42 km) |
| Castle Rock to New Cassel (New York) | 1,648.40 mi (2,652.84 km) |
| Castle Rock to New Castle (Indiana) | 1,035.17 mi (1,665.95 km) |
| Castle Rock to New Castle (Pennsylvania) | 1,294.18 mi (2,082.78 km) |
| Castle Rock to New City (New York) | 1,623.24 mi (2,612.35 km) |
| Castle Rock to New Franklin (Ohio) | 1,229.83 mi (1,979.21 km) |
| Castle Rock to New Haven (Connecticut) | 1,677.22 mi (2,699.23 km) |
| Castle Rock to New Haven (Indiana) | 1,050.68 mi (1,690.91 km) |
| Castle Rock to New Hope (Minnesota) | 704.20 mi (1,133.30 km) |
| Castle Rock to New Hyde Park (New York) | 1,642.35 mi (2,643.11 km) |
| Castle Rock to New Iberia (Louisiana) | 981.71 mi (1,579.91 km) |
| Castle Rock to New Kensington (Pennsylvania) | 1,327.14 mi (2,135.83 km) |
| Castle Rock to New Kingman-Butler (Arizona) | 577.32 mi (929.11 km) |
