There are
2,187 mi
from La Mesa, CA to Middletown, OH
That's the driving distance. It would take 1 day 14 hours to go from La Mesa, California to Middletown, Ohio.
The flight distance (direct flight from La Mesa, CA to Middletown, OH) is 1,867.99 mi.
2,187 mi = 3,520.38 kms