There are
2,881 mi
from Walnut Creek, CA to Passaic, NJ
That's the driving distance. It would take 2 days 2 hours to go from Walnut Creek, California to Passaic, New Jersey.
The flight distance (direct flight from Walnut Creek, CA to Passaic, NJ) is 2,536.14 mi.
2,881 mi = 4,636.20 kms