1 way RV Class A Rentals. Having difficulty.Need help please

Hello all, I'm a Firefighter from Los Angeles trying to book a one way rental from Atlanta or Jacksonville area (drop off in Boston/NY area)….but have met a lot of obstacles. El Monte will not do the one way and Cruise America's biggest RV is a 30 foot…not ideal for a 12 day trip and 6 full size adults. Any thought/opinions/etc etc would be rather helpful. Thank you!


James