Miles between Knoxville, TN and Portsmouth, OH

There are
286 mi
from Knoxville, TN to Portsmouth, OH

That's the driving distance. It would take 5 hours 20 mins to go from Knoxville, Tennessee to Portsmouth, Ohio.

The flight distance (direct flight from Knoxville, TN to Portsmouth, OH) is 198.06 mi.

286 mi = 459.74 kms