When you are moving a long distance, the logistics can be incredibly complicated. It's important to hire a long distance mover company to handle most of the aspects of the move. The main reason for doing this is that these companies are well experienced in long-distance moves.
They understand how to get everything loaded and how to get everything to the destination safely.
A long-distance moving company will have appropriately sized trucks for the move so that everything will be able to be loaded in the truck or multiple trucks. They also have supplies available in their trucks such as mats to put around furniture so that these items don't get damaged. They can also help pack if you request service from them. They can even supply packing materials to keep items safe.
Having a long-distance moving company take care of the move means that there is just one trip made from your old home to the new destination instead of you having to drive back and forth between the two locations many times. The big move can be scheduled to take place all at once to keep the process as efficient and convenient as possible.