Miles between Elgin, IL and Castle Rock, CO

There are
1,005 mi
from Elgin, IL to Castle Rock, CO

That's the driving distance. It would take 17 hours 50 mins to go from Elgin, Illinois to Castle Rock, Colorado.

The flight distance (direct flight from Elgin, IL to Castle Rock, CO) is 885.96 mi.

1,005 mi = 1.61 kms