There are
995 mi
from Chattanooga, TN to New Ulm, MN
That's the driving distance. It would take 18 hours 58 mins to go from Chattanooga, Tennessee to New Ulm, Minnesota.
The flight distance (direct flight from Chattanooga, TN to New Ulm, MN) is 803.15 mi.
995 mi = 1,600.59 kms