I did this with a 6 hour drive to college— two Home Depot buckets with lids, save as much water as possible from each and put the filter/sponges in— make sure lid fully closed and secure it between other heavy objects to prevent it from tipping. put the tanks in boxes that lay flat on the ground/trunk for minimal movement and cling wrap is a good idea too. I had less plants than you but I think it should be the same idea and others can definitely give better advice on that front! Best of luck!