Miles between Boston, MA and Castle Rock, CO

There are
2,009 mi
from Boston, MA to Castle Rock, CO

That's the driving distance. It would take 1 day 12 hours to go from Boston, Massachusetts to Castle Rock, Colorado.

The flight distance (direct flight from Boston, MA to Castle Rock, CO) is 1,766.19 mi.

2,009 mi = 3.22 kms