There are
2,401 mi
from Middletown, OH to Ukiah, CA
That's the driving distance. It would take 1 day 18 hours to go from Middletown, Ohio to Ukiah, California.
The flight distance (direct flight from Middletown, OH to Ukiah, CA) is 2,057.89 mi.
2,401 mi = 3,864.81 kms