There are
2,628 mi
from Ukiah, CA to Jamestown, NY
That's the driving distance. It would take 1 day 22 hours to go from Ukiah, California to Jamestown, New York.
The flight distance (direct flight from Ukiah, CA to Jamestown, NY) is 2,289.52 mi.
2,628 mi = 4,228.98 kms