New Revised Standard Version
While Israel lived in Heshbon and its villages, and in Aroer and its villages, and in all the towns that are along the Arnon, three hundred years, why did you not recover them within that time?

Contemporary English Version
For 300 years, Israelites have been living in Heshbon and Aroer and the nearby villages, and in the towns along the Arnon River gorge. If the land really belonged to you Ammonites, you wouldn't have waited until now to try to get it back.

New American Bible
Israel has dwelt in Heshbon and its villages, Aroer and its villages, and all the cities on the banks of the Arnon for three hundred years. Why did you not recover them during that time?

Douay-Rheims Bible
Whereas he hath dwelt in Hesebon, and the villages thereof, and in Aroer, and its villages, and in all the cities near the Jordan, for three hundred years. Why have you for so long a time attempted nothing about this claim?

Whereas he hath dwelt in Hesebon, and the villages thereof, and in Aroer, and its villages, and in all the cities near the Jordan, for three hundred years. Why have you for so long a time attempted nothing about this claim?

Heshbon

Numbers 21:25-30 So Israel took all his cities, and dwelt in the cities of the Amorrhite, to wit, in Hesebon, and in the villages thereof. . . .

Deuteronomy 2:24 Arise ye, and pass the torrent Arnon: Behold I have delivered into thy hand Sehon king of Hesebon the Amorrhite, and begin thou to possess his land and make war against him.

Deuteronomy 3:2,6 And the Lord said to me: Fear him not: because he is delivered into thy hand, with all his people and his land: and thou shalt do to him as thou hast done to Sehon king of the Amorrhites, that dwelt in Hesebon. . . .

Joshua 12:2,5 Sehon king of the Amorrhites, who dwelt in Hesebon, and had dominion from Aroer, which is seated upon the bank of the torrent Arnon, and of the middle part in the valley, and of half Galaad, as far as the torrent Jaboc, which is the border of the children of Ammon. . . .

Joshua 13:10 And all the cities of Sehon, king of the Amorrhites, who reigned in Hesebon, unto the borders of the children of Ammon.

Aroer

Deuteronomy 2:36 From Aroer, which is upon the bank of the torrent Arnon, a town that is situate in a valley, as far as Galaad. There was not a village or city, that escaped our hands: the Lord our God delivered all unto us:

three hundred

Judges 3:11,30 And the land rested forty years, and Othoniel, the son of Cenez, died. . . .

Judges 5:31 So let all thy enemies perish, O Lord: but let them that love thee shine, as the sun shineth in his rising. [32] And the land rested for forty years.

Judges 8:28 But Madian was humbled before the children of Israel, neither could they any more lift up their heads: but the land rested for forty years, while Gedeon presided.

Judges 9:22 So Abimelech reigned over Israel three years.

Judges 10:2,3,8 And he judged Israel three and twenty years, and he died, and was buried in Samir. . . .

Joshua 11:18 Joshua made war a long time against these kings.

Joshua 23:1 And when a long time was passed, after that the Lord had given peace to Israel, all the nations round about being subdued. and Joshua being now old, and far advanced in years: