I don't, I always imagined I'd just head to like, West Virginia somewhere, spin around with my finger pointed out, and whatever mountain I'm pointing at when I stop spinning, that's the hill I'd head for. Sounds solid to me.
This is why I worry that you will not survive a major disaster, like zombies or a skynet-type scenario...with this kind of thinking, I can't even accept you into my own survivor group...you wouldn't be contributing. STEP UP, CROWLEY!