There are
1,828 mi
from Mckinney, TX to Ukiah, CA
That's the driving distance. It would take 1 day 8 hours to go from Mckinney, Texas to Ukiah, California.
The flight distance (direct flight from Mckinney, TX to Ukiah, CA) is 1,531.65 mi.
1,828 mi = 2,941.99 kms