There are
2,968 mi
from Deerfield Beach, FL to Brentwood, CA
That's the driving distance. It would take 2 days 5 hours to go from Deerfield Beach, Florida to Brentwood, California.
The flight distance (direct flight from Deerfield Beach, FL to Brentwood, CA) is 2,539.16 mi.
2,968 mi = 3.22 kms