| Castle Rock to East Lake-Orient Park (Florida) | 1,506.71 mi (2,424.81 km) |
| Castle Rock to East Lansing (Michigan) | 1,083.60 mi (1,743.89 km) |
| Castle Rock to East Los Angeles (California) | 823.68 mi (1,325.59 km) |
| Castle Rock to East Massapequa (New York) | 1,655.84 mi (2,664.81 km) |
| Castle Rock to East Meadow (New York) | 1,648.97 mi (2,653.77 km) |
| Castle Rock to East Milton (Florida) | 1,176.36 mi (1,893.18 km) |
| Castle Rock to East Moline (Illinois) | 773.91 mi (1,245.48 km) |
| Castle Rock to East Niles (California) | 819.57 mi (1,318.96 km) |
| Castle Rock to East Northport (New York) | 1,659.95 mi (2,671.43 km) |
| Castle Rock to East Orange (New Jersey) | 1,614.75 mi (2,598.69 km) |
| Castle Rock to East Palo Alto (California) | 943.26 mi (1,518.02 km) |
| Castle Rock to East Patchogue (New York) | 1,678.60 mi (2,701.44 km) |
| Castle Rock to East Peoria (Illinois) | 814.02 mi (1,310.04 km) |
| Castle Rock to East Point (Georgia) | 1,195.31 mi (1,923.67 km) |
| Castle Rock to East Providence (Rhode Island) | 1,754.34 mi (2,823.34 km) |
