我不确定怎样到达那里英文

1、我不确定怎样到达那里可以翻译成

I'm not sure how to get to there.

2、我不确定怎样到达那里也可以翻译成

I don't think I can give a certain answer to the question that how to get to there.

3、我不确定怎样到达那里 可以将到达那里放在句首如

How to get to there? I really can't be sure