How many miles from Saint Louis Mo to Atlanta GA?

552 miles taking this route:

1. Take I-64 EAST from St. Louis to I-57 SOUTH to MEMPHIS in Illinois.
2. Continue on I-57 SOUTH to I-24 EAST to Nashville off EXIT 44.
3. Take I-24 EAST to I-75 SOUTH to ATLANTA off EXIT 185A in Chattanooga, TENNESSSEE.
4. Take I-75 SOUTH to Atlanta.