There are
1,561 mi
from Brownsville, TX to San Jacinto, CA
That's the driving distance. It would take 1 day 2 hours to go from Brownsville, Texas to San Jacinto, California.
The flight distance (direct flight from Brownsville, TX to San Jacinto, CA) is 1,284.30 mi.
1,561 mi = 1.61 kms