There are
2,988 mi
from Deerfield Beach, FL to Walnut Creek, CA
That's the driving distance. It would take 2 days 5 hours to go from Deerfield Beach, Florida to Walnut Creek, California.
The flight distance (direct flight from Deerfield Beach, FL to Walnut Creek, CA) is 2,558.99 mi.
2,988 mi = 3.22 kms