New Revised Standard Version
But the men of the army whom Amaziah sent back, not letting them go with him to battle, fell on the cities of Judah from Samaria to Beth-horon; they killed three thousand people in them, and took much booty.

Contemporary English Version
Meanwhile, the Israelite troops that Amaziah had sent home, raided the towns in Judah between Samaria and Beth-Horon. They killed 3,000 people and carried off their possessions.

New American Bible
Meanwhile, the troops Amaziah had dismissed from going into battle with him raided the cities of Judah from Samaria to Beth-horon. They struck down three thousand of the inhabitants and carried off much plunder.

Douay-Rheims Bible
But that army which Amasias had sent back, that they should not go with him to battle, spread themselves among the cities of Juda, from Samaria to Beth-horon, and having killed three thousand took away much spoil.

But that army which Amasias had sent back, that they should not go with him to battle, spread themselves among the cities of Juda, from Samaria to Beth-horon, and having killed three thousand took away much spoil.

soldiers of the army.

2 Chronicles 25:9 And Amasias said to the man of God: What will then become of the hundred talents which I have given to the soldiers of Israel? and the man of God answered him: The Lord is rich enough to be able to give thee much more than this.

3000 of the inhabitants.

Samaria

1 Kings 16:24,29 And he bought the hill of Samaria of Semer, for two talents of silver: and he built upon it, and he called the city which he built Samaria, after the name of Semer, the owner of the hill. . . .

Beth-horon

2 Chronicles 8:5 And he built Beth-horon the upper, and Beth-horon the nether, walled cities with gates and bars and locks.

1 Kings 9:17 So Solomon built Gazer, and Bethhoron the nether,