A road trip where Porsche selected the route with one charge stop isn’t impressive. It’s not a long range car until the typical owner can drive the continental US - or at least most of it. I’ve never seen a fast charger anywhere besides a Tesla supercharger.
There are a number CCS charging networks in the US. Electrify America, EVgo, and ChargePoint have roaming agreements so the one account can be used across all networks:
Tesla should convert their chargers to CCS now rather than sticking with a propriety plug. They've already converted their European chargers to CCS, although they're still not allowing non-Tesla EVs to charge at them: