There are
1,969 mi
from Brownsville, TX to Brentwood, CA
That's the driving distance. It would take 1 day 10 hours to go from Brownsville, Texas to Brentwood, California.
The flight distance (direct flight from Brownsville, TX to Brentwood, CA) is 1,637.20 mi.
1,969 mi = 1.61 kms