Ezekiel 42:20

So he measured all the four sides where there went a wall round about five hundred measuring rods long, and as broad also which separated the holy from the unholy.

Ezekiel 45:2

Of this part there shall belong unto the Sanctuary, five hundred measuring rods in all the four corners, and fifty cubits wide round about to the suburbs.

Ezekiel 22:26

Thy priests break my law, and defile my Sanctuary. They put no difference between the holy and unholy, neither discern between the clean and unclean: they turn their eyes from my Sabbaths, and I am unhallowed among them.

Ezekiel 40:5

Behold, there was a wall on the outside round about the house: the measuring rod that he had in his hand, was six cubits long and a span. So he measured the breadth of the building, which was one measuring rod, and the height also one measuring rod.

Ezekiel 44:23

They shall show my people the difference between the holy and unholy, betwixt the clean and unclean.

Ezekiel 48:15

The other five thousand after the breadth that lieth by the twenty five thousand shall be common: it shall belong to the city and to the suburbs for habitations, and the city shall stand in the midst thereof.

Zechariah 2:5

Yea, I myself, sayeth the LORD, will be unto her a wall of fire round about, and will be honored in her.'

Isaiah 60:18

Violence and robbery shall never be heard of in thy land, neither harm and destruction within thy borders. Thy walls shall be called health, and thy gates the praise of God.

Leviticus 10:10

that ye may put difference between holy and unholy, and between unclean and clean,

Song of Songs 2:9

My beloved is like a Roe or a young hart. Behold, he standeth behind our wall, he looketh in at the window, and peepeth through the grate.

Isaiah 25:1

O LORD, thou art my God, I will praise thee, and magnify thy name: For thou bringest marvelous things to pass, according to thine old counsels, truly and steadfastly.

Isaiah 26:1

In that day shall this song be sung in the land of Judah. We have a strong city; Salvation shall God appoint instead of walls and bulwarks.

Ezekiel 48:20

All that is separated of the twenty five thousand long and twenty five thousand broad on the four parts, that shall ye put aside for the separated portion of the Sanctuary, and for the possession of the city.

Micah 7:11

The time will come, that thy gaps shall be made up, and the law shall go abroad:

Luke 16:26

Beyond all this, between you and us there is a great space set, so that they which would go from hence to you, cannot: neither may come from thence to us.'

2 Corinthians 6:17

Wherefore, "Come out from among them, and separate yourselves," saith the Lord, "and touch none unclean thing: so will I receive you,

Revelation 21:10-27

And he carried me away in the spirit to a great and a high mountain, and he showed me the great city, holy Jerusalem, descending out of heaven from God,

Treasury of Scripture Knowledge

Summary

He measured it by the four sides: it had a wall round about, five hundred reeds long, and five hundred broad, to make a separation between the sanctuary and the profane place.

Bible References

It had

Ezekiel 40:5
Behold, there was a wall on the outside round about the house: the measuring rod that he had in his hand, was six cubits long and a span. So he measured the breadth of the building, which was one measuring rod, and the height also one measuring rod.
Song of Songs 2:9
My beloved is like a Roe or a young hart. Behold, he standeth behind our wall, he looketh in at the window, and peepeth through the grate.
Isaiah 25:1
O LORD, thou art my God, I will praise thee, and magnify thy name: For thou bringest marvelous things to pass, according to thine old counsels, truly and steadfastly.
Isaiah 26:1
In that day shall this song be sung in the land of Judah. We have a strong city; Salvation shall God appoint instead of walls and bulwarks.
Isaiah 60:18
Violence and robbery shall never be heard of in thy land, neither harm and destruction within thy borders. Thy walls shall be called health, and thy gates the praise of God.
Micah 7:11
The time will come, that thy gaps shall be made up, and the law shall go abroad:
Zechariah 2:5
Yea, I myself, sayeth the LORD, will be unto her a wall of fire round about, and will be honored in her.'

Five hundred

Ezekiel 45:2
Of this part there shall belong unto the Sanctuary, five hundred measuring rods in all the four corners, and fifty cubits wide round about to the suburbs.
Ezekiel 48:20
All that is separated of the twenty five thousand long and twenty five thousand broad on the four parts, that shall ye put aside for the separated portion of the Sanctuary, and for the possession of the city.
Revelation 21:12
and had walls great and high, and had twelve gates, and at the gates twelve angels: and names written, which are the twelve tribes of Israel:

A separation

Ezekiel 22:26
Thy priests break my law, and defile my Sanctuary. They put no difference between the holy and unholy, neither discern between the clean and unclean: they turn their eyes from my Sabbaths, and I am unhallowed among them.
Ezekiel 44:23
They shall show my people the difference between the holy and unholy, betwixt the clean and unclean.
Ezekiel 48:15
The other five thousand after the breadth that lieth by the twenty five thousand shall be common: it shall belong to the city and to the suburbs for habitations, and the city shall stand in the midst thereof.
Leviticus 10:10
that ye may put difference between holy and unholy, and between unclean and clean,
Luke 16:26
Beyond all this, between you and us there is a great space set, so that they which would go from hence to you, cannot: neither may come from thence to us.'
2 Corinthians 6:17
Wherefore, "Come out from among them, and separate yourselves," saith the Lord, "and touch none unclean thing: so will I receive you,
Revelation 21:10
And he carried me away in the spirit to a great and a high mountain, and he showed me the great city, holy Jerusalem, descending out of heaven from God,