I've done LDRs before (never again), so speaking from experience...
First off, it's not possible to make an LDR work by definition because an LDR is not a real relationship. It's a placebo that takes the place of it and it's toxic to your life's progression if you keep it up over time.
There is exactly one upside to engaging with women like this, and that's that you get to know pretty quickly if you're compatible beyond the sexual realm. If the conversation flows like wine, then you have chemistry. If not, it won't stand the test of time. Obviously it's good or you wouldn't be considering this. There is a dark side to this coin as well, you have to take what she's saying at face value, and she could be lying her ass off. But it sounds like you'll find out soon enough.
Whatever you do, and there's no way for me to emphasize this enough: DO NOT, under any circumstances, entertain the idea of any kind of exclusivity with a long distance "partner". She can be a fun piece on the side when she's in town, and if it works out and y'all hit it off like nobody's business, then you can consider her moving in or whatever if that floats your boat. But for the love of all that is holy keep spinning plates. You do NOT move for her, and you don't schedule talk time with her.
One more thing that you need to think about honestly: Consider why you (and her) are contemplating this at all. Are you trying to cover up insecurities or are you afraid to approach women in person? You should be trying to improve your game instead of putting energy into an excuse that allows you to avoid rejection.