What should my next step be?

I met a girl that I really hit it off with. Only problem is that she just left the job that had her close to where I live and now has moved about 4 hours away. Kind of unfortunate timing on my part. Because of my job I can’t really go visit her that often, but she occasionally makes the trip to see me every once in a while, plus we text all the time. It’s hard for the relationship to progress when we only see each other for a couple days every few weeks. What should I do?