There are
608 mi
from Chattanooga, TN to South Elgin, IL
That's the driving distance. It would take 12 hours 2 mins to go from Chattanooga, Tennessee to South Elgin, Illinois.
The flight distance (direct flight from Chattanooga, TN to South Elgin, IL) is 506.36 mi.
608 mi = 978.99 kms