There are
2,356 mi
from Walnut Creek, CA to Fairborn, OH
That's the driving distance. It would take 1 day 17 hours to go from Walnut Creek, California to Fairborn, Ohio.
The flight distance (direct flight from Walnut Creek, CA to Fairborn, OH) is 2,035.66 mi.
2,356 mi = 3,791.07 kms