There are
2,376 mi
from Walnut Creek, CA to Southfield, MI
That's the driving distance. It would take 1 day 17 hours to go from Walnut Creek, California to Southfield, Michigan.
The flight distance (direct flight from Walnut Creek, CA to Southfield, MI) is 2,056.06 mi.
2,376 mi = 3,824.45 kms