I don't remember exactly where he said he was headed, he said he was working on a lot in the area. He was also headed to Montana at some point. He said somebody tweeted Elon about when a stop was opening (I completely forgot where, it was Oregon or Montana I'm pretty sure) and he said that his boss now had to get a good timeframe to get that open and its now up on the list.
That's funny. I bet he was talking about Casper, WY. Elon tweeted on June 19 that it was opening in about 2 weeks: Twitter