So about 12 hours road time counting stopping for gas, coffee & food, maybe closer to 10 if you're indifferent towards speed limits & don't mind eating on the fly.
Big fish, fast it for 2-3 days before the move. The tank will be one of the last things you pack, and the first things you unpack, if at all possible. Use a large cooler for the fish, about half full of water, if it has a drain tape that thing shut. You'll want to fill the cooler 1/4 of the way with tank water, 1/4 of the way with fresh tap water of the same temperature that's been dosed with a 4x dose of Prime. This will effectively be a 50% water change with a double dose of Prime, which will take care of any ammonia issues for 24-48 hours. Save a spot in the back seat of a car or other temperature controlled area for the fish.
You'll also want to keep your filter media wet for the trip, fish bags are great for this. A 5 gallon bucket with a metal handle is good for substrate. A second bucket is good for any other decorations. Since you've got the tank set up, take down is the opposite.
When you get to the new place set up the tank, take your cooler with the fish, do a drip acclimation since the cooler is only half full of water. This will acclimate the fish to the new water parameters slowly. Feed lightly for the next week, this gives any loss of nitrifying bacteria a chance to play catch up. Light feeding is also less stressful for the fish.
As far as moving itself, you want to make sure the tank is completely empty, no water, no substrate. Dry it good, pack light household items in it, bath towels, a couple comforters, light but bulky things. An old blanket or some such layered evenly underneath it, and having it packed so it doesn't shift, or things don't slide into it helps if like me you are a bit indifferent towards speed limits & such.