Ezekiel 48:8
Next to Judah's land, from east to west, will be the part you must set apart. It will be about 8 miles wide. Its length from east to west will be the same as one tribe's part. The sanctuary will be in the middle of it.
Ezekiel 48:8, Readable English Bible (READ)
Note: Hebrew: 25,000 cubits. In this chapter a cubit is about 21 inches.