There are
1,990 mi
from Ukiah, CA to Monticello, MN
That's the driving distance. It would take 1 day 11 hours to go from Ukiah, California to Monticello, Minnesota.
The flight distance (direct flight from Ukiah, CA to Monticello, MN) is 1,554.11 mi.
1,990 mi = 3,202.30 kms