Springfield, MO to Tulsa, OK: Missouri, a corner of Kansas, and into Oklahoma - the shortest states, the densest lore.

St. Louis, MO to Springfield, MO: Under the Arch and into the Ozarks - caves, springs, and the road's first real hills.

Chicago/Willowbrook, IL to St. Louis, MO: A hundred years after the first mile marker went up, the rally rolls out of Chicagoland.