There are
2,839 mi
from Walnut Creek, CA to Elkton, MD
That's the driving distance. It would take 2 days 2 hours to go from Walnut Creek, California to Elkton, Maryland.
The flight distance (direct flight from Walnut Creek, CA to Elkton, MD) is 2,466.02 mi.
2,839 mi = 4,568.53 kms