I moved to SC from NY 15 years ago. My buddy in Buffalo, and I will ride and meet half way, usually West Virginia. We keep talking about riding cross country. We aren't getting any younger.
check around at work, church, and civic organizations you belong to...there is someone that rides nearly everywhere. probably going to need to ride with several different guys until you find a couple that ride the same roads and pace that you like. go on some local poker runs or charity outings-give it a chance-you can make some new riding buddies.
and yes, you are probably homesick.
I have a couple guys at work that I will go ride with once in a while. I just signed up for the PGR but that's a little different. My wife has expressed an interest but I'm not pushing it either way and she and I always have fun together.
I frequently ride with my closest friend, and some other long-time friends. A couple of rides every year with one of my youngest brothers, some occasional group rides with acquaintances. And I ride alone nearly every day. Basically, I ride.