Numbers 21:13 earlier defines the Arnon as the border of Moab and Amorites, providing geographic context for the boundary in Numbers 21:24.

Numbers 21:34 continues the narrative — God promises Moses the same victory over Og as over Sihon, reinforcing the pattern of divine deliverance.

Numbers 32:1-4 directly references this conquest as the basis for Reuben and Gad's request to settle east of the Jordan.

Numbers 32:33-42 records the allocation of this conquered land to Reuben, Gad, and half-Manasseh, fulfilling the victory.

Numbers 32:4 refers back to this conquered land of Sihon as suitable for livestock, which Reuben and Gad request for their inheritance.

Joshua 12:1-3 lists Sihon among defeated kings and describes the exact territory from Arnon to Jabbok as in Numbers 21:24.

Psalm 136:19 mentions Sihon by name in a litany of God's deeds, directly paralleling the event in Numbers 21:24.

Psalm 135:10-12 lists Sihon and his land as a heritage, echoing the victory over Sihon in Numbers 21:24.

Nehemiah 9:22 recounts God giving Israel the land of Sihon, directly referencing the conquest described in Numbers 21:24.

Judges 11:21-23 has Jephthah recount this conquest to justify Israel's possession of the land, citing the same historical event.

Joshua 24:8 recaps God giving the Amorites into Israel's hands and taking their land, a direct reference to Sihon's defeat.

Joshua 13:8-10 details the allotment of Sihon's land to the eastern tribes, directly building on this conquest.

Joshua 9:10 shows the Gibeonites feared Israel because they heard of this defeat of Sihon, demonstrating its fame.

Deuteronomy 29:7 explicitly mentions this victory over Sihon as part of Israel's journey, recalling God's deliverance.

Deuteronomy 3:16 reiterates the territory from Arnon to Jabbok given to Reuben and Gad, directly echoing the boundary in Numbers 21:24.

Deuteronomy 2:31-37 recounts the same defeat of Sihon and taking of his territory, providing a parallel historical account.

Joshua 12:6 lists Sihon and Og among kings defeated by Moses east of the Jordan — a summary that directly includes this victory.

Deuteronomy 31:4 uses Sihon's defeat as a type — the Lord will do the same to Canaanite kings, promising future conquest based on this pattern.

Joshua 13:10 details the territory of Sihon given to Reuben — a direct allocation reference to the land conquered here.

Joshua 13:21 lists Sihon's cities and the Midianite princes he ruled — expanding on the extent of his defeated kingdom.

Judges 11:13 records the Ammonite king claiming land from Arnon to Jabbok — the same boundary Israel took from Sihon, now disputed.

Judges 11:20 recounts the same battle with Sihon from Jephthah's perspective, confirming Israel's capture of Amorite territory.

Deuteronomy 2:33 retells the same battle, emphasizing that the Lord handed Sihon over to Israel — a parallel account of the victory.

Deuteronomy 2:37 clarifies the boundary — Israel did not enter Ammonite territory, defining the northern limit of Sihon's land they took.

Amos 2:9 describes God destroying the Amorites, the same people defeated in Numbers 21:24, though not naming Sihon.