There are
2,353 mi
from Pittsburg, CA to Fairfield, OH
That's the driving distance. It would take 1 day 16 hours to go from Pittsburg, California to Fairfield, Ohio.
The flight distance (direct flight from Pittsburg, CA to Fairfield, OH) is 2,000.71 mi.
2,353 mi = 3,786.54 kms