How long is it to drive to flint Michigan to Birmingham Alabama?

1. Take U.S. 23 SOUTH to I-475/U.S. 23 SOUTH near Toledo in Ohio.
2. Stay on I-475 SOUTH to I-75 SOUTH.
3. Take I-75 SOUTH all the way down to Chattanooga, Tennessee where you will take EXIT 2 onto I-24 WEST to CHATTANOOGA and BIRMINGHAM.
4. Take I-24 WEST to I-59 SOUTH to BIRMINGHAM at EXIT 167.
5. Take I-59 SOUTH to Birmingham.

They are 807 miles apart.