There are
1,837 mi
from Chattanooga, TN to Rexburg, ID
That's the driving distance. It would take 1 day 9 hours to go from Chattanooga, Tennessee to Rexburg, Idaho.
The flight distance (direct flight from Chattanooga, TN to Rexburg, ID) is 1,528.92 mi.
1,837 mi = 1.61 kms