Miles between Redding, CA and Boulder, CO

There are
1,222 mi
from Redding, CA to Boulder, CO

That's the driving distance. It would take 21 hours 15 mins to go from Redding, California to Boulder, Colorado.

The flight distance (direct flight from Redding, CA to Boulder, CO) is 901.63 mi.

1,222 mi = 1.61 kms