There are
2,873 mi
from Walnut Creek, CA to Summit, NJ
That's the driving distance. It would take 2 days 2 hours to go from Walnut Creek, California to Summit, New Jersey.
The flight distance (direct flight from Walnut Creek, CA to Summit, NJ) is 2,526.09 mi.
2,873 mi = 4,622.99 kms