Miles between Boulder, CO and Ukiah, CA

There are
1,267 mi
from Boulder, CO to Ukiah, CA

That's the driving distance. It would take 22 hours 37 mins to go from Boulder, Colorado to Ukiah, California.

The flight distance (direct flight from Boulder, CO to Ukiah, CA) is 955.41 mi.

1,267 mi = 1.61 kms