There are
1,945 mi
from Ukiah, CA to Springdale, AR
That's the driving distance. It would take 1 day 10 hours to go from Ukiah, California to Springdale, Arkansas.
The flight distance (direct flight from Ukiah, CA to Springdale, AR) is 1,596.60 mi.
1,945 mi = 3,130.44 kms