Psalm 122:3

Jerusalem is built like a city that is all joined together as one;

2 Samuel 5:9

And David lived in the fort, and called it the city of David. And David built all around, from Millo and inward.

Nehemiah 4:6

So we built the wall, and all the wall was joined together to the half of it. For the people had a mind to work.

Psalm 147:2

Jehovah builds up Jerusalem; He gathers together the outcasts of Israel.

Ephesians 2:20-21

and are built upon the foundation of the apostles and prophets, Jesus Christ Himself being the chief cornerstone,

Ephesians 4:4-7

There is one body and one Spirit, even as you are called in one hope of your calling,

Revelation 21:10-27

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

Treasury of Scripture Knowledge

Summary

Jerusalem is builded as a city that is compact together:

Bible References

Builded

2 Samuel 5:9
And David lived in the fort, and called it the city of David. And David built all around, from Millo and inward.
Ephesians 2:20
and are built upon the foundation of the apostles and prophets, Jesus Christ Himself being the chief cornerstone,
Ephesians 4:4
There is one body and one Spirit, even as you are called in one hope of your calling,
Revelation 21:10
And he carried me away in the Spirit to a great and high mountain and showed me that great city, the holy Jerusalem, descending out of Heaven from God,

General references

Exodus 36:10
And he coupled the five curtains to one another, and he coupled the other five curtains to one another.
Psalm 116:19
in the courts of Jehovah's house, in the midst of you, O Jerusalem. Praise Jehovah!
Ezekiel 46:10
And the ruler shall go in among them when they go in. And when they go out, he shall go out.