There are
2,131 mi
from Middletown, OH to Fontana, CA
That's the driving distance. It would take 1 day 13 hours to go from Middletown, Ohio to Fontana, California.
The flight distance (direct flight from Middletown, OH to Fontana, CA) is 1,854.80 mi.
2,131 mi = 3,429.62 kms