There are
756 mi
from Crossville, TN to Florham Park, NJ
That's the driving distance. It would take 14 hours 14 mins to go from Crossville, Tennessee to Florham Park, New Jersey.
The flight distance (direct flight from Crossville, TN to Florham Park, NJ) is 665.57 mi.
756 mi = 1,217.30 kms