...So how often do you get to see each other? Does she have custody of a child too? I suppose for the moment all you can do is arrange more visits and schedule adequate lengths of time over the phone/via email to talk to each other but eventually you'll have to think about the future. I think it's great that you're a dedicated Father and of course your children are your top priority but you're entitled to happiness too - maybe one day you can live together in a location that's adequately suited to her needs as well as your children's. Compromises will have to made but for any relationship that's worth having this is par for the course.

If she has no commitments and this is a problem solely from your end maybe she can look into temporarily renting a place closer to you - that way she can stay for long weekends and maybe a week or so when she has time off. Depending on how the relationship grows perhaps she might feel comfortable to move back to the area or somewhere closer to it.

I hope you can work something out - it would seem your relationship is at a turning point and now would be a good time to start discussing what's next. Good luck.