There are
1,423 mi
from Brownsville, TX to Glendale Heights, IL
That's the driving distance. It would take 1 day 2 hours to go from Brownsville, Texas to Glendale Heights, Illinois.
The flight distance (direct flight from Brownsville, TX to Glendale Heights, IL) is 1,229.60 mi.
1,423 mi = 1.61 kms