Miles between Ukiah, CA and Caldwell, ID

There are
640 mi
from Ukiah, CA to Caldwell, ID

That's the driving distance. It would take 12 hours 34 mins to go from Ukiah, California to Caldwell, Idaho.

The flight distance (direct flight from Ukiah, CA to Caldwell, ID) is 459.53 mi.

640 mi = 1,029.61 kms