Hesabu 35 : 4 Numbers chapter 35 verse 4

Na yale malisho ya miji mtakayowapa Walawi, ukubwa wake utakuwa tangu ukuta wa mji kupima kiasi cha dhiraa elfu pande zote.
soma Mlango wa 35

The suburbs of the cities, which you shall give to the Levites, shall be from the wall of the city and outward one thousand cubits round about.