<human>: Condense the text into a few key points

I have been getting mixed input on what I should do with this situation. Since Reddit is anonymous, I feel like people will not have personal ties to what is happening and thus the input will be more accurate. 

I have been dating this girl for roughly 1 yr and 9 months. We are now in college (I'm in Washington [state] and she's in Montana), so distance is pretty far. She's such a nice girl and everything has been really great while we've been dating, but deep down I know she's not the one. She obviously means a lot to me and so I am looking at how I approach the situation to make the best out of it. I think that we both need time to grow as people and think that time apart is the best. I'm not saying a break up is imminent, but I do think that space would be best. I say this because I feel like she has some trust issues and is perhaps a little less outgoing and willing to try new things than I would like someone to be. How would you go about this making it as easy and painless as possible?
<bot>: Long distance relationship is going "fine," but feel we need space to grow as individuals in college. How do I go about with breaking it off or taking a break and making this as easy as possible for both of us?