There are
1,975 mi
from Pleasanton, CA to Brownsville, TX
That's the driving distance. It would take 1 day 10 hours to go from Pleasanton, California to Brownsville, Texas.
The flight distance (direct flight from Pleasanton, CA to Brownsville, TX) is 1,638.91 mi.
1,975 mi = 3,178.21 kms