There are
2,883 mi
from Walnut Creek, CA to Roselle Park, NJ
That's the driving distance. It would take 2 days 2 hours to go from Walnut Creek, California to Roselle Park, New Jersey.
The flight distance (direct flight from Walnut Creek, CA to Roselle Park, NJ) is 2,531.84 mi.
2,883 mi = 4,639.39 kms