There are
1,413 mi
from Ukiah, CA to North Platte, NE
That's the driving distance. It would take 1 day to go from Ukiah, California to North Platte, Nebraska.
The flight distance (direct flight from Ukiah, CA to North Platte, NE) is 1,189.97 mi.
1,413 mi = 2,274.72 kms