There are
2,403 mi
from Middletown, OH to Milpitas, CA
That's the driving distance. It would take 1 day 18 hours to go from Middletown, Ohio to Milpitas, California.
The flight distance (direct flight from Middletown, OH to Milpitas, CA) is 2,019.46 mi.
2,403 mi = 3,867.39 kms