Revelation 21:16

21:16 The city lies foursquare, and its length is as great as its breadth. He measured the city with the reed, Twelve thousand twelve stadia{12,012 stadia = or 2,221 kilometers or 1,380 miles. TR reads 12,000 stadia instead of 12,012 stadia.}. Its length, breadth, and height are equal.
-World English Bible

Other Translation

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.
-King James Version