Numbers 35:4 in the King James Version
And the suburbs of the cities, which ye shall give unto the Levites, shall reach from the wall of the city and outward a thousand cubits round about.
Context
3 They shall have the cities to dwell in. Their pasture lands shall be for their livestock, and for their possessions, and for all their animals.
4 “The pasture lands of the cities, which you shall give to the Levites, shall be from the wall of the city and outward one thousand cubits around it.
5 You shall measure outside of the city for the east side two thousand cubits, and for the south side two thousand cubits, and for the west side two thousand cubits, and for the north side two thousand cubits, the city being in the middle. This shall be the pasture lands of their cities.