There are
1,755 mi
from Chattanooga, TN to Oro Valley, AZ
That's the driving distance. It would take 1 day 6 hours to go from Chattanooga, Tennessee to Oro Valley, Arizona.
The flight distance (direct flight from Chattanooga, TN to Oro Valley, AZ) is 1,481.72 mi.
1,755 mi = 2,824.46 kms