Deuteronomy 19:8

“If the Lord your God enlarges your territory, just as He has sworn to your fathers, and gives you all the land which He promised to give your fathers—

Genesis 15:18-21

On that day the Lord made a covenant with Abram, saying,
To your descendants I have given this land,
From the river of Egypt as far as the great river, the river Euphrates:

Exodus 23:31

I will fix your boundary from the Red Sea to the sea of the Philistines, and from the wilderness to the River Euphrates; for I will deliver the inhabitants of the land into your hand, and you will drive them out before you.

Exodus 34:24

For I will drive out nations before you and enlarge your borders, and no man shall covet your land when you go up three times a year to appear before the Lord your God.

Deuteronomy 12:20

“When the Lord your God extends your border as He has promised you, and you say, ‘I will eat meat,’ because you desire to eat meat, then you may eat meat, whatever you desire.

Genesis 28:14

Your descendants will also be like the dust of the earth, and you will spread out to the west and to the east and to the north and to the south; and in you and in your descendants shall all the families of the earth be blessed.

Deuteronomy 11:24-25

Every place on which the sole of your foot treads shall be yours; your border will be from the wilderness to Lebanon, and from the river, the river Euphrates, as far as the western sea.

1 Kings 4:21

Now Solomon ruled over all the kingdoms from the River to the land of the Philistines and to the border of Egypt; they brought tribute and served Solomon all the days of his life.

Ezra 4:20

that mighty kings have ruled over Jerusalem, governing all the provinces beyond the River, and that tribute, custom and toll were paid to them.

Treasury of Scripture Knowledge

Summary

And if the LORD thy God enlarge thy coast, as he hath sworn unto thy fathers, and give thee all the land which he promised to give unto thy fathers;

Bible References

General references

Deuteronomy 11:24
Every place on which the sole of your foot treads shall be yours; your border will be from the wilderness to Lebanon, and from the river, the river Euphrates, as far as the western sea.
Deuteronomy 12:20
“When the Lord your God extends your border as He has promised you, and you say, ‘I will eat meat,’ because you desire to eat meat, then you may eat meat, whatever you desire.
Genesis 15:18
On that day the Lord made a covenant with Abram, saying,
To your descendants I have given this land,
From the river of Egypt as far as the great river, the river Euphrates:
Genesis 28:14
Your descendants will also be like the dust of the earth, and you will spread out to the west and to the east and to the north and to the south; and in you and in your descendants shall all the families of the earth be blessed.
Exodus 23:31
I will fix your boundary from the Red Sea to the sea of the Philistines, and from the wilderness to the River Euphrates; for I will deliver the inhabitants of the land into your hand, and you will drive them out before you.
Exodus 34:24
For I will drive out nations before you and enlarge your borders, and no man shall covet your land when you go up three times a year to appear before the Lord your God.
1 Kings 4:21
Now Solomon ruled over all the kingdoms from the River to the land of the Philistines and to the border of Egypt; they brought tribute and served Solomon all the days of his life.
Ezra 4:20
that mighty kings have ruled over Jerusalem, governing all the provinces beyond the River, and that tribute, custom and toll were paid to them.