Are long-distance relationships maintainable?

ThatGuy98
I'm a 16 year old guy that has a pretty big crush on a girl that lives in another city. We met at a summer camp and we've stayed in touch since then, she is coming to my city for a new year camp and I'll try to get to know her better&possibly taking our friendship to a "deeper" level.

I was however wondering if it's even possible to have a long relationship when a) both are 16 years old
b) neither of us has a car
c) we don't know each other super well?
Are long-distance relationships maintainable?
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