When I lived in Charleston, SC we would drive up to Saginaw, MI to visit my wife's family, do it in one day. Stopped for breakfast/gas, then lunch/gas, and dinner/gas, so it was eat and fill up and do potty breaks and then go. It was about a 1000 miles and we would do it in about 15 hours. One year I was following an old dude driving a Citroen through Ohio we made it from Cincinnati to the Michigan border in just over 2 hours, he would signal me when his radar detector went off to slow down.