There are
2,563 mi
from Knoxville, TN to Sammamish, WA
That's the driving distance. It would take 1 day 21 hours to go from Knoxville, Tennessee to Sammamish, Washington.
The flight distance (direct flight from Knoxville, TN to Sammamish, WA) is 2,098.63 mi.
2,563 mi = 3.22 kms