There are
2,588 mi
from Ukiah, CA to Riverdale, GA
That's the driving distance. It would take 1 day 21 hours to go from Ukiah, California to Riverdale, Georgia.
The flight distance (direct flight from Ukiah, CA to Riverdale, GA) is 2,175.79 mi.
2,588 mi = 4,164.55 kms