There are
1,978 mi
from Brownsville, TX to Los Altos, CA
That's the driving distance. It would take 1 day 10 hours to go from Brownsville, Texas to Los Altos, California.
The flight distance (direct flight from Brownsville, TX to Los Altos, CA) is 1,643.80 mi.
1,978 mi = 1.61 kms