.It is 61 miles according to google Maps, or it is 71 miles if you take the Atlanta Bypass, saving you time by not having to go through the city. This is the route below:
Take I-675 NORTH, from Ellenwood, to I-285 WEST to ATLANTA.
Take I-285, around ATLANTA, to I-75 NORTH to CHATTANOOGA at EXIT 20.
Take I-75 NORTH to I-575 NORTH to CANTON at EXIT 268.
Take I-575 NORTH to SR-140 WEST, at EXIT 16, in Canton.