Miles between Boise, ID and Castle Rock, CO

There are
847 mi
from Boise, ID to Castle Rock, CO

That's the driving distance. It would take 14 hours 16 mins to go from Boise, Idaho to Castle Rock, Colorado.

The flight distance (direct flight from Boise, ID to Castle Rock, CO) is 657.15 mi.

847 mi = 1,362.74 kms