Numbers 21:23

Sihon would not let Israel pass through his territory. Sihon gathered all his troops and came out into the desert to attack Israel. When Sihon's troops came to Jahaz, they fought against Israel.

Judges 11:20

But Sihon refused to let Israel do it. He brought his whole army together, camped at Jahaz, and attacked Israel.

Numbers 20:21

The Edomites would not let the Israelites pass through their territory. So the Israelites turned and went another way.

Deuteronomy 2:30-32

King Sihon of Heshbon would not allow us to pass through. Jehovah your God made him stubborn and overconfident in order to hand him over to you, as he has now done.

Deuteronomy 29:7-8

When you reached this place, Sihon the king of Heshbon and Og the king of Bashan came out to meet us for battle. We defeated them!

Isaiah 15:4

Heshbon and Elealeh cry out. Their voice is heard all the way to Jahaz. Therefore the armed men of Moab cry aloud and tremble with fear.

Jeremiah 48:34

Their crying can be heard from Moabite towns. It can be heard from Heshbon to Elealeh and Jahaz, from Zoar as far away as Horonaim and Eglath Shelishiyah (three year old heifer). Even the waters of Nimrim are dried up.

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
King Sihon of Heshbon would not allow us to pass through. Jehovah your God made him stubborn and overconfident in order to hand him over to you, as he has now done.
Deuteronomy 29:7
When you reached this place, Sihon the king of Heshbon and Og the king of Bashan came out to meet us for battle. We defeated them!

Jahaz

Judges 11:20
But Sihon refused to let Israel do it. He brought his whole army together, camped at Jahaz, and attacked Israel.
Isaiah 15:4
Heshbon and Elealeh cry out. Their voice is heard all the way to Jahaz. Therefore the armed men of Moab cry aloud and tremble with fear.
Jeremiah 48:34
Their crying can be heard from Moabite towns. It can be heard from Heshbon to Elealeh and Jahaz, from Zoar as far away as Horonaim and Eglath Shelishiyah (three year old heifer). Even the waters of Nimrim are dried up.

General references

Numbers 20:17
Please permit us to pass through your land. We, including our cattle, will not leave the road or go into your fields or vineyards. We will not drink from your wells. We will stay on the main (king's) road until we are out of your territory.'
Deuteronomy 2:18
You will cross over the border of Moab at Ar today.
Judges 11:20
But Sihon refused to let Israel do it. He brought his whole army together, camped at Jahaz, and attacked Israel.
Judges 20:14
People from all the cities of Benjamin came to Gibeah to fight the other people of Israel.
Psalm 136:19
Sihon, king of the Amorites, for his loving kindness is everlasting,