There are
1,604 mi
from Ukiah, CA to Hays, KS
That's the driving distance. It would take 1 day 4 hours to go from Ukiah, California to Hays, Kansas.
The flight distance (direct flight from Ukiah, CA to Hays, KS) is 1,278.47 mi.
1,604 mi = 2,581.78 kms