There must be some logical reason for the need to drive that far in such a short of time! Just curious!! IMHO, I question how "safely" the trip could be made even with 2 people switching off driving. In addition to fuel stops, you will have dog potty stops and this plan assumes that you will have no mechanical problems along the way i.e. flat tire or that you won't run into traffic issues. After about 5 hours, my back, neck aches and my butt is sore and numb:):)
I think you will find that typically, the average RVer will drive between 400 to 500 miles per day and then find an RV park for the night.
Personally, if it were an option, I think I would choose to fly instead of driving with the time restraints you are planning.
