| Castle Rock to Frankfort (Illinois) | 905.26 mi (1,456.87 km) |
| Castle Rock to Frankfort (Indiana) | 973.00 mi (1,565.89 km) |
| Castle Rock to Frankfort (Kentucky) | 1,077.49 mi (1,734.06 km) |
| Castle Rock to Franklin (Indiana) | 1,001.39 mi (1,611.59 km) |
| Castle Rock to Franklin (Ohio) | 1,094.27 mi (1,761.06 km) |
| Castle Rock to Franklin (Tennessee) | 1,011.48 mi (1,627.82 km) |
| Castle Rock to Franklin (Wisconsin) | 907.70 mi (1,460.80 km) |
| Castle Rock to Franklin Farm (Virginia) | 1,465.93 mi (2,359.19 km) |
| Castle Rock to Franklin Lakes (New Jersey) | 1,613.05 mi (2,595.95 km) |
| Castle Rock to Franklin Park (Illinois) | 905.54 mi (1,457.32 km) |
| Castle Rock to Franklin Park (New Jersey) | 1,600.20 mi (2,575.27 km) |
| Castle Rock to Franklin Park (Pennsylvania) | 1,308.86 mi (2,106.40 km) |
| Castle Rock to Franklin Square (New York) | 1,643.05 mi (2,644.24 km) |
| Castle Rock to Fraser (Michigan) | 1,160.20 mi (1,867.16 km) |
| Castle Rock to Frederick (Colorado) | 50.99 mi (82.06 km) |
