I believe the starting and ending points are the same used in the old Cannon Ball Runs of forty years ago.
To follow up on my number 11...
See this story: http://www.caranddriver.com/features/the-last-cannonball-feature
for the summary of the 1979 last run of the Cannonball Baker Sea-to-Shining-Sea Memorial Trophy Dash which was sort of affiliated with Car and Driver and gave rise to the Cannonball Run films of Burt Reynolds.
Brock Yates was one of the central figures.
“I believe the starting and ending points are the same used in the old Cannon Ball Runs of forty years ago.”
In spite of the blazing fast run those guys did, I would still say namesake Cannonball Baker made the more impressive drives considering he was running alone on most of them, and on dirt roads part of the way.