I had a friend I got along well with in the beginning, but then I realized we had different values, so we sort of drifted apart.
この場合、次のような言い方ができますよ。
ーI had a friend I got along well with in the beginning, but then I realized we had different values, so we sort of drifted apart.
「最初は仲良くしていた友達がいたが、価値観が違うことに気がついて、だんだん疎遠になった」
to get along「仲良くする」
to drift away「だんだん疎遠になる」
ご参考まで!