There are
989 mi
from Chattanooga, TN to Vadnais Heights, MN
That's the driving distance. It would take 18 hours 28 mins to go from Chattanooga, Tennessee to Vadnais Heights, Minnesota.
The flight distance (direct flight from Chattanooga, TN to Vadnais Heights, MN) is 803.55 mi.
989 mi = 1,591.56 kms