YOU SAID:

If I go, there's just no telling how far I'll go

INTO JAPANESE

私が行けば、どこまで行くのかわからない

BACK INTO ENGLISH

I don't know how far I will go

INTO JAPANESE

どこまで行くのかわからない

BACK INTO ENGLISH

I don't know how far to go

INTO JAPANESE

どこまで行けばいいのかわからない

BACK INTO ENGLISH

I don't know how far to go