There are
2,869 mi
from Walnut Creek, CA to Haddonfield, NJ
That's the driving distance. It would take 2 days 2 hours to go from Walnut Creek, California to Haddonfield, New Jersey.
The flight distance (direct flight from Walnut Creek, CA to Haddonfield, NJ) is 2,503.08 mi.
2,869 mi = 4,616.68 kms