There are
2,085 mi
from Ukiah, CA to Peoria, IL
That's the driving distance. It would take 1 day 12 hours to go from Ukiah, California to Peoria, Illinois.
The flight distance (direct flight from Ukiah, CA to Peoria, IL) is 1,773.76 mi.
2,085 mi = 3,355.73 kms