There are
2,920 mi
from Walnut Creek, CA to Atlantic City, NJ
That's the driving distance. It would take 2 days 3 hours to go from Walnut Creek, California to Atlantic City, New Jersey.
The flight distance (direct flight from Walnut Creek, CA to Atlantic City, NJ) is 2,543.07 mi.
2,920 mi = 4,699.69 kms