The march of Judah from Jerusalem would take five or six hours. By the time they reached the watch-towers in the wilderness of Jeruel all was over.
Related Commentaries of 2 Chronicles 20:24
2 Chronicles 20:24
24 And when Judah came toward the watch tower in the wilderness, they looked unto the multitude, and, behold, they were dead bodies fallen to the earth, and none escaped.