How can i help my bestfriend?

okay, my best friend(15) and her boyfriend(16) have been dating for three months, and well they decided to have last week for the first time, and then yesterday her dad breaks the news that theyll be moving an hour away, shes just soo heart broken i dont know what to do im going to loose my best friend and she says that she cant do long distance relationships does anyone know what i can do to help her?