There are
1,487 mi
from Boynton Beach, FL to Brownsville, TX
That's the driving distance. It would take 1 day 3 hours to go from Boynton Beach, Florida to Brownsville, Texas.
The flight distance (direct flight from Boynton Beach, FL to Brownsville, TX) is 1,080.54 mi.
1,487 mi = 1.61 kms