There are
2,251 mi
from Fostoria, OH to Walnut, CA
That's the driving distance. It would take 1 day 15 hours to go from Fostoria, Ohio to Walnut, California.
The flight distance (direct flight from Fostoria, OH to Walnut, CA) is 1,935.69 mi.
2,251 mi = 3,622.27 kms