There are
2,536 mi
from Ukiah, CA to Niceville, FL
That's the driving distance. It would take 1 day 21 hours to go from Ukiah, California to Niceville, Florida.
The flight distance (direct flight from Ukiah, CA to Niceville, FL) is 2,150.38 mi.
2,536 mi = 4,081.35 kms