Miles between Knoxville, TN and Altoona, IA

There are
823 mi
from Knoxville, TN to Altoona, IA

That's the driving distance. It would take 14 hours 59 mins to go from Knoxville, Tennessee to Altoona, Iowa.

The flight distance (direct flight from Knoxville, TN to Altoona, IA) is 646.64 mi.

823 mi = 1,323.70 kms