There are
1,901 mi
from Brownsville, TX to Bethlehem, PA
That's the driving distance. It would take 1 day 11 hours to go from Brownsville, Texas to Bethlehem, Pennsylvania.
The flight distance (direct flight from Brownsville, TX to Bethlehem, PA) is 1,625.50 mi.
1,901 mi = 1.61 kms