There are
1,970 mi
from Ukiah, CA to Hannibal, MO
That's the driving distance. It would take 1 day 10 hours to go from Ukiah, California to Hannibal, Missouri.
The flight distance (direct flight from Ukiah, CA to Hannibal, MO) is 1,691.19 mi.
1,970 mi = 3,170.27 kms