There are
741 mi
from Knoxville, TN to Peekskill, NY
That's the driving distance. It would take 14 hours 8 mins to go from Knoxville, Tennessee to Peekskill, New York.
The flight distance (direct flight from Knoxville, TN to Peekskill, NY) is 652.75 mi.
741 mi = 1,192.83 kms