你的爸爸步行去工厂需要多长时间?（英语翻译一下）

How long does it take for your father to walk to the factory?

How long does your father take when he walking to his factory?

How long does it take your father to factory on foot?

Does your father go to a factory demand to have another long time on foot?
你的爸爸步行去工厂需要多长时间?

How long will it take your father to walk to his factory?

How long does your father go to the factory by walk?