Verses with the word breadth in the New Testament (3 verses):

Ephesians 3:18
May be able to comprehend with all saints what is the breadth, and length, and depth, and height;

Revelation 20:9
And they went up on the breadth of the earth, and compassed the camp of the saints about, and the beloved city: and fire came down from God out of heaven, and devoured them.

Revelation 21:16
And the city lieth foursquare, and the length is as large as the breadth: and he measured the city with the reed, twelve thousand furlongs. The length and the breadth and the height of it are equal.