Ezekiel 48:8

8Adjoining the territory of Judah, from the east side to the west, shall be athe portion which you shall set apart, 25,000 cubits
A  cubit was about 18 inches or 45 centimeters
in breadth, and in length equal to one of the tribal portions, from the east side to the west, with cthe sanctuary in the midst of it.
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