There are
2,184 mi
from Middletown, OH to Santee, CA
That's the driving distance. It would take 1 day 14 hours to go from Middletown, Ohio to Santee, California.
The flight distance (direct flight from Middletown, OH to Santee, CA) is 1,863.42 mi.
2,184 mi = 3,514.72 kms