"Make friends with them" is the phrase commonly used to express "和他们结交朋友" in Engpsh.
The phrase comes from the verb "make" which means "to create or bring about" and the noun "friends" which refers to "people whom one knows and has a bond of mutual affection with."
Examples:
I want to make friends with people from all over the world.
(我想和来自世界各地的人结交朋友。)
She made many new friends during her study abroad experience.
(她在留学期间结交了很多新朋友。)
Let's make friends with our neighbors.
(让我们和邻居结交朋友。)