You will need to use thicker stone around 2 inches think and it will be a huge job. Whichever stone you use, talk with the stoneyard that you get it from to make sure it's not a weak stone.
My dad has never done a driveway. He's never had a client who wanted something that big.
If you do it, definitely send us a picture of that. That would be a rare feat.
Click the picture below to see examples of people laying
their own stone. Sign up for my free newsletter
to the left and
I'll put your flagstone
creation in my newsletter.