I really like a girl, but she's moving away. What do I do?

2017smartag
I've liked this girl for like 3 years but never found the courage to ask her out. Now that she's moving I suddenly feel like I could ask her out at anytime. She's moving but pretty far away and I might get to see her a couple times a year. My question is should I ask her and try to do long distance, or let her go?
Ask her
Don't ask her
I don't know
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+1 y
I did forget to mention that we've been pretty close friends for about the whole three years.
I really like a girl, but she's moving away. What do I do?
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