There are
2,878 mi
from Walnut Creek, CA to Oakland, NJ
That's the driving distance. It would take 2 days 2 hours to go from Walnut Creek, California to Oakland, New Jersey.
The flight distance (direct flight from Walnut Creek, CA to Oakland, NJ) is 2,527.07 mi.
2,878 mi = 4,631.95 kms