| Castle Rock to Euless (Texas) | 625.23 mi (1,006.22 km) |
| Castle Rock to Eureka (California) | 1,023.00 mi (1,646.37 km) |
| Castle Rock to Eureka (Missouri) | 764.98 mi (1,231.11 km) |
| Castle Rock to Eustis (Florida) | 1,505.50 mi (2,422.87 km) |
| Castle Rock to Evans (Colorado) | 68.65 mi (110.48 km) |
| Castle Rock to Evans (Georgia) | 1,320.52 mi (2,125.17 km) |
| Castle Rock to Evanston (Illinois) | 915.76 mi (1,473.77 km) |
| Castle Rock to Evanston (Wyoming) | 347.16 mi (558.69 km) |
| Castle Rock to Evansville (Indiana) | 937.59 mi (1,508.91 km) |
| Castle Rock to Everett (Massachusetts) | 1,765.98 mi (2,842.06 km) |
| Castle Rock to Everett (Washington) | 1,045.00 mi (1,681.76 km) |
| Castle Rock to Evergreen Park (Illinois) | 913.36 mi (1,469.91 km) |
| Castle Rock to Ewa Beach (Hawaii) | 3,351.86 mi (5,394.30 km) |
| Castle Rock to Ewa Gentry (Hawaii) | 3,352.23 mi (5,394.89 km) |
| Castle Rock to Excelsior Springs (Missouri) | 566.69 mi (911.99 km) |
