There are
2,371 mi
from Flint, MI to Walnut Creek, CA
That's the driving distance. It would take 1 day 17 hours to go from Flint, Michigan to Walnut Creek, California.
The flight distance (direct flight from Flint, MI to Walnut Creek, CA) is 2,030.02 mi.
2,371 mi = 3.22 kms