There are
2,982 mi
from Walnut Creek, CA to Deerfield Beach, FL
That's the driving distance. It would take 2 days 5 hours to go from Walnut Creek, California to Deerfield Beach, Florida.
The flight distance (direct flight from Walnut Creek, CA to Deerfield Beach, FL) is 2,558.99 mi.
2,982 mi = 4,798.65 kms