There are
2,167 mi
from Middletown, OH to Fullerton, CA
That's the driving distance. It would take 1 day 14 hours to go from Middletown, Ohio to Fullerton, California.
The flight distance (direct flight from Middletown, OH to Fullerton, CA) is 1,886.54 mi.
2,167 mi = 3,488.05 kms