There are
2,357 mi
from Middletown, OH to Clearlake, CA
That's the driving distance. It would take 1 day 17 hours to go from Middletown, Ohio to Clearlake, California.
The flight distance (direct flight from Middletown, OH to Clearlake, CA) is 2,030.56 mi.
2,357 mi = 3,793.12 kms