There are
1,781 mi
from Chattanooga, TN to Lehi, UT
That's the driving distance. It would take 1 day 7 hours to go from Chattanooga, Tennessee to Lehi, Utah.
The flight distance (direct flight from Chattanooga, TN to Lehi, UT) is 1,490.70 mi.
1,781 mi = 1.61 kms