There are
411 mi
from Chattanooga, TN to Zionsville, IN
That's the driving distance. It would take 8 hours 2 mins to go from Chattanooga, Tennessee to Zionsville, Indiana.
The flight distance (direct flight from Chattanooga, TN to Zionsville, IN) is 342.91 mi.
411 mi = 661.36 kms