
355 miles, about 6.6 hours of pure driving. 3 rental brands have a branch at both ends.
355 miles on the fastest route, about 6.6 hours of pure driving (OSRM). RVs are slower than cars, so plan extra time.
At 4 hours of driving a day that is at least 3 days one way, before any stops. Most people take more.
Cruise America, Escape Campervans, Indie Campers have a branch at both ends. One-way availability and fees depend on dates; check on the brand site.