kilometre|kilometers

我的新学校离我家很近，只有半公里。

My new school is very close to my home, only half a ___kilometre away.

我们步行了一公里才到达那个美丽的湖泊。

We walked one ___kilometre to reach the beautiful lake.

学校离我家有五公里远。

The school is five ___kilometers away from my home.