There are
654 mi
from Crossville, TN to Oldsmar, FL
That's the driving distance. It would take 12 hours 24 mins to go from Crossville, Tennessee to Oldsmar, Florida.
The flight distance (direct flight from Crossville, TN to Oldsmar, FL) is 564.04 mi.
654 mi = 1,052.38 kms