There are
2,372 mi
from Walnut Creek, CA to Flint, MI
That's the driving distance. It would take 1 day 17 hours to go from Walnut Creek, California to Flint, Michigan.
The flight distance (direct flight from Walnut Creek, CA to Flint, MI) is 2,030.02 mi.
2,372 mi = 3,817.40 kms