There are 153.99 miles from Clarksville to Chattanooga in southeast direction and 178 miles (286.46 kilometers) by car, following the I-24 E route.
Clarksville and Chattanooga are 2 hours 47 mins far apart, if you drive non-stop .
This is the fastest route from Clarksville, TN to Chattanooga, TN. The halfway point is Christiana, TN.
Please note the time difference between Clarksville, TN and Chattanooga, TN is 1 hour. The current time in Clarksville is 9:36 pm and the current time in Chattanooga is 10:36 pm.
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