There are
730 mi
from Knoxville, TN to Lynbrook, NY
That's the driving distance. It would take 13 hours 57 mins to go from Knoxville, Tennessee to Lynbrook, New York.
The flight distance (direct flight from Knoxville, TN to Lynbrook, NY) is 642.76 mi.
730 mi = 1,175.56 kms