It takes four hours to go there and back.

往返要4个小时。

《新英汉大辞典》

Can I go there and back in a day?

我一天内能打来回吗？

youdao

I can go there and back in half an hour.

我能在半小时内往返一次。

youdao

You have enough time to go there and back before dinner.

我们到那里去一次，回来吃午饭还来得及。

youdao

You have enough time to go there and back before dinner.

我们到那里去一次，回来吃午饭还来得及。

youdao