Deuteronomy 11:24 promises land from wilderness to Euphrates, the same expansion Moses references here.

Deuteronomy 12:20 uses the identical phrase 'enlarge thy border', applying it to permission to eat meat.

Deuteronomy 11:25 adds that no enemy will stand before Israel, complementing the border enlargement with conquest.

Genesis 15:18-21 is the original covenant promise of land boundaries that Moses recalls here.

Exodus 23:31 specifies boundaries from Red Sea to Euphrates, the same promised borders referenced here.

Exodus 34:24 directly states 'I will enlarge thy borders', adding context of feast attendance and divine protection.

1 Kings 4:21 shows Solomon's reign fulfilling the land promise from river to Egypt, a historical realization.