Miles between Knoxville, TN and Spencer, IA

There are
992 mi
from Knoxville, TN to Spencer, IA

That's the driving distance. It would take 18 hours 30 mins to go from Knoxville, Tennessee to Spencer, Iowa.

The flight distance (direct flight from Knoxville, TN to Spencer, IA) is 775.91 mi.

992 mi = 1,596.30 kms