There are
1,493 mi
from Ukiah, CA to Dumas, TX
That's the driving distance. It would take 1 day 2 hours to go from Ukiah, California to Dumas, Texas.
The flight distance (direct flight from Ukiah, CA to Dumas, TX) is 1,182.92 mi.
1,493 mi = 2,402.15 kms