Albert Barnes Commentary Jeremiah 22:20

"Go up to Lebanon, and cry; and lift up thy voice in Bashan, and cry from Abarim; for all thy lovers are destroyed." — Jeremiah 22:20 (ASV)

The third example, Jehoiachin. With him, all the best and noblest of the land were dragged from their homes to populate the empty places of Babylon.

The passages – Actually, Abarim, a range of mountains to the south of Gilead, opposite Jericho (Deuteronomy 32:49). Jeremiah names the chief ranges of mountains, which overlook the route from Jerusalem to Babylon, in regular order, beginning with Lebanon on the north, then Bashan on the northeast, and lastly Abarim on the southeast.

Your lovers – that is, the nations in alliance with Judah, especially Egypt, whose defeat at Carchemish (Jeremiah 46:2) gave all western Asia into the power of Nebuchadnezzar.