There are
431 mi
from Knoxville, TN to Wabash, IN
That's the driving distance. It would take 8 hours 15 mins to go from Knoxville, Tennessee to Wabash, Indiana.
The flight distance (direct flight from Knoxville, TN to Wabash, IN) is 349.67 mi.
431 mi = 693.48 kms