There are
2,802 mi
from Walnut Creek, CA to Laurel, MD
That's the driving distance. It would take 2 days 1 hour to go from Walnut Creek, California to Laurel, Maryland.
The flight distance (direct flight from Walnut Creek, CA to Laurel, MD) is 2,420.71 mi.
2,802 mi = 4,508.92 kms