Ezekiel 45:6

45:6 “‘Alongside the portion set apart as the holy allotment, you will allot for the city an area one and two-thirds miles wide and eight and a quarter miles long; it will be for the whole house of Israel.

Ezekiel 48:20

48:20 The whole allotment will be eight and a quarter miles square, you must set apart the holy allotment with the possession of the city.