YOU SAID:
i have been to the furtherest place i can go
INTO JAPANESE
私は私が行くことができる最も遠い場所に行ったことがある
BACK INTO ENGLISH
I've been to the farthest place I can go
INTO JAPANESE
私は行ける最も遠い場所に行った
BACK INTO ENGLISH
I went to the farthest place I could go.
INTO JAPANESE
私は行ける最も遠い場所に行きました。
BACK INTO ENGLISH
I went to the farthest place I could go.
That didn't even make that much sense in English.