There are
2,362 mi
from Middletown, OH to San Pablo, CA
That's the driving distance. It would take 1 day 17 hours to go from Middletown, Ohio to San Pablo, California.
The flight distance (direct flight from Middletown, OH to San Pablo, CA) is 2,032.78 mi.
2,362 mi = 3,801.28 kms