Numbers 35:4-5

And the suburbes of the cities, which ye shall giue vnto the Leuites, from the wall of the citie outward, shalbe a thousand cubites round about.

And yee shall measure without the citie of the Eastside, two thousand cubites: and of the Southside, two thousand cubites: and of the Westside, two thousand cubites: and of ye Northside, two thousand cubites: and the citie shalbe in ye middes. this shalbe the measure of the suburbes of their cities.