There are
737 mi
from Clarksville, TN to Fremont, NE
That's the driving distance. It would take 13 hours 52 mins to go from Clarksville, Tennessee to Fremont, Nebraska.
The flight distance (direct flight from Clarksville, TN to Fremont, NE) is 595.87 mi.
737 mi = 1,185.58 kms