If you stop at a non-Tesla DC Fast Charger you don't need any adapter. So for Electrify America, EVGO and so on, just plug in. For Tesla you need an adapter like an A2Z Typhoon and here is a link.

 

Have a Safe Trip!

Besides the good NACS-to-CCS1 Adapter advice, you might also consider getting This NACS-to-J1772 Adapter IF you think you might run across any public Tesla Level 2 AC 'Destination Chargers'.
There was one at a California hotel we stayed in. Not DCFC, but not bad-and it was Free.