There are
2,393 mi
from Middletown, OH to Pacifica, CA
That's the driving distance. It would take 1 day 17 hours to go from Middletown, Ohio to Pacifica, California.
The flight distance (direct flight from Middletown, OH to Pacifica, CA) is 2,046.57 mi.
2,393 mi = 3,850.93 kms