2 Kings 3:8

Which way shall we go to the attack? Joram answered: We will go the long way through the wilderness of Edom.

They moved from Mount Hor following the road that goes to the Red Sea. That way they could go around Edom. The people became impatient on the trip

I have loved you, said Jehovah. You replied: How have you loved us? Was Esau Jacob's brother? Responded Jehovah: Yet I loved Jacob.

Treasury of Scripture Knowledge

And he said, Which way shall we go up? And he answered, The way through the wilderness of Edom.

So they spied on the land from the wilderness of Zin as far as Rehob, at Lebo-hamath.

I have loved you, said Jehovah. You replied: How have you loved us? Was Esau Jacob's brother? Responded Jehovah: Yet I loved Jacob.