There are
2,302 mi
from Middletown, OH to Oroville, CA
That's the driving distance. It would take 1 day 16 hours to go from Middletown, Ohio to Oroville, California.
The flight distance (direct flight from Middletown, OH to Oroville, CA) is 1,966.24 mi.
2,302 mi = 3,704.91 kms