There are
1,842 mi
from Boone, IA to Ukiah, CA
That's the driving distance. It would take 1 day 8 hours to go from Boone, Iowa to Ukiah, California.
The flight distance (direct flight from Boone, IA to Ukiah, CA) is 1,543.84 mi.
1,842 mi = 2,965.16 kms