There are
2,397 mi
from Ukiah, CA to Erlanger, KY
That's the driving distance. It would take 1 day 18 hours to go from Ukiah, California to Erlanger, Kentucky.
The flight distance (direct flight from Ukiah, CA to Erlanger, KY) is 2,054.64 mi.
2,397 mi = 3,857.51 kms