There are
2,142 mi
from Ukiah, CA to Brookfield, IL
That's the driving distance. It would take 1 day 13 hours to go from Ukiah, California to Brookfield, Illinois.
The flight distance (direct flight from Ukiah, CA to Brookfield, IL) is 1,853.95 mi.
2,142 mi = 3,447.51 kms