There are
1,798 mi
from Brownsville, TX to Blackfoot, ID
That's the driving distance. It would take 1 day 8 hours to go from Brownsville, Texas to Blackfoot, Idaho.
The flight distance (direct flight from Brownsville, TX to Blackfoot, ID) is 1,458.22 mi.
1,798 mi = 2,894.37 kms