| Castle Rock to Nocatee (Florida) | 1,471.69 mi (2,368.45 km) |
| Castle Rock to Nogales (Arizona) | 650.71 mi (1,047.21 km) |
| Castle Rock to Nolensville (Tennessee) | 1,020.15 mi (1,641.78 km) |
| Castle Rock to Norco (California) | 797.16 mi (1,282.90 km) |
| Castle Rock to Norcross (Georgia) | 1,201.33 mi (1,933.36 km) |
| Castle Rock to Norfolk (Nebraska) | 430.15 mi (692.26 km) |
| Castle Rock to Norfolk (Virginia) | 1,556.87 mi (2,505.54 km) |
| Castle Rock to Normal (Illinois) | 842.91 mi (1,356.54 km) |
| Castle Rock to Norman (Oklahoma) | 501.83 mi (807.61 km) |
| Castle Rock to Norridge (Illinois) | 908.60 mi (1,462.25 km) |
| Castle Rock to Norristown (Pennsylvania) | 1,561.46 mi (2,512.93 km) |
| Castle Rock to North Adams (Massachusetts) | 1,659.97 mi (2,671.46 km) |
| Castle Rock to North Amityville (New York) | 1,656.86 mi (2,666.45 km) |
| Castle Rock to North Arlington (New Jersey) | 1,618.96 mi (2,605.46 km) |
| Castle Rock to North Auburn (California) | 868.88 mi (1,398.33 km) |
