What should i do? plz help me?

met this girl online. we dated for dated for 2 yrs. shes 18 and im 25. but we havent met in person yet. we had our ups and downs in our relationship. she lives 8hrs away from me. her mom doesnt like me. i plan to see her this yr. she physically needed person. huggin , kissing, touchin, thats what she needs. i couldnt give that to her . the distance. i love this girl very much. the fact that i couldnt give her needs it breaks my heart. i feel like setting her free.and she said she is in love with me since 10th grade, she graduated this yr. its been 2 yrs. she said if i could give her needs, she would be to be with me. either way, she still wants to be with even i couldnt. but i wouldnt last long . she doesnt wanna break my heart cuz breakin my heart is breakin hers. .