Numbers 21:23

Sihon would not allow Israel to pass through his border: but Sihon gathered all his people together, and went out against Israel into the wilderness, and came to Jahaz; and he fought against Israel.

Judges 11:20

But Sihon didn't trust Israel to pass through his border; but Sihon gathered all his people together, and encamped in Jahaz, and fought against Israel.

Numbers 20:21

Thus Edom refused to give Israel passage through his border, so Israel turned away from him.

Deuteronomy 2:30-32

But Sihon king of Heshbon would not let us pass by him; for Yahweh your God hardened his spirit, and made his heart obstinate, that he might deliver him into your hand, as at this day.

Deuteronomy 29:7-8

When you came to this place, Sihon the king of Heshbon, and Og the king of Bashan, came out against us to battle, and we struck them:

Isaiah 15:4

Heshbon cries out with Elealeh. Their voice is heard even to Jahaz. Therefore the armed men of Moab cry aloud. Their souls tremble within them.

Jeremiah 48:34

From the cry of Heshbon even to Elealeh, even to Jahaz have they uttered their voice, from Zoar even to Horonaim, to Eglath Shelishiyah: for the waters of Nimrim also shall become desolate.

Treasury of Scripture Knowledge

Summary

And Sihon would not suffer Israel to pass through his border: but Sihon gathered all his people together, and went out against Israel into the wilderness: and he came to Jahaz, and fought against Israel.

Bible References

Sihon would

Deuteronomy 2:30
But Sihon king of Heshbon would not let us pass by him; for Yahweh your God hardened his spirit, and made his heart obstinate, that he might deliver him into your hand, as at this day.
Deuteronomy 29:7
When you came to this place, Sihon the king of Heshbon, and Og the king of Bashan, came out against us to battle, and we struck them:

Jahaz

Judges 11:20
But Sihon didn't trust Israel to pass through his border; but Sihon gathered all his people together, and encamped in Jahaz, and fought against Israel.
Isaiah 15:4
Heshbon cries out with Elealeh. Their voice is heard even to Jahaz. Therefore the armed men of Moab cry aloud. Their souls tremble within them.
Jeremiah 48:34
From the cry of Heshbon even to Elealeh, even to Jahaz have they uttered their voice, from Zoar even to Horonaim, to Eglath Shelishiyah: for the waters of Nimrim also shall become desolate.

General references

Numbers 20:17
"Please let us pass through your land: we will not pass through field or through vineyard, neither will we drink of the water of the wells: we will go along the king's highway; we will not turn aside to the right hand nor to the left, until we have passed your border."
Deuteronomy 2:18
"You are this day to pass over Ar, the border of Moab:
Judges 11:20
But Sihon didn't trust Israel to pass through his border; but Sihon gathered all his people together, and encamped in Jahaz, and fought against Israel.
Judges 20:14
The children of Benjamin gathered themselves together out of the cities to Gibeah, to go out to battle against the children of Israel.
Psalm 136:19
Sihon king of the Amorites; for his loving kindness endures forever;