There are
440 mi
from Clarksville, TN to Channahon, IL
That's the driving distance. It would take 8 hours 22 mins to go from Clarksville, Tennessee to Channahon, Illinois.
The flight distance (direct flight from Clarksville, TN to Channahon, IL) is 341.73 mi.
440 mi = 707.43 kms