Revelation 21:16
16
And the city lies foursquare, and her length is also as great as the width: and he measured the city with the reed, 1,380 miles: her length and width and height are equal.[fn]
Footnotes
16
Literally, '12,000 stadia'. A stadion was about 600 feet. More precisely, 606.75 feet in English distances, 600 in Greek, or 625 Roman.