There are
978 mi
from Chattanooga, TN to Oakdale, MN
That's the driving distance. It would take 18 hours 13 mins to go from Chattanooga, Tennessee to Oakdale, Minnesota.
The flight distance (direct flight from Chattanooga, TN to Oakdale, MN) is 795.18 mi.
978 mi = 1,573.61 kms