There are
2,315 mi
from Middletown, OH to Grover Beach, CA
That's the driving distance. It would take 1 day 17 hours to go from Middletown, Ohio to Grover Beach, California.
The flight distance (direct flight from Middletown, OH to Grover Beach, CA) is 1,999.73 mi.
2,315 mi = 3,725.73 kms