There are
1,735 mi
from Knoxville, TN to Douglas, AZ
That's the driving distance. It would take 1 day 6 hours to go from Knoxville, Tennessee to Douglas, Arizona.
The flight distance (direct flight from Knoxville, TN to Douglas, AZ) is 1,503.23 mi.
1,735 mi = 1.61 kms