Numbers 35:13

13 And the cities which ye shall assign, the six cities, shall be places of refuge for you.

Numbers 35:13 Meaning and Commentary

Numbers 35:13

And of these cities which ye shall give
Of the forty eight cities they were to give to the Levites, ( Numbers 35:7 ) ,

six cities shall ye have for refuge;
which, I think, makes it clear, that not all the forty eight cities were for refuge, only six of them.

Numbers 35:13 In-Context

11 And ye shall appoint to yourselves cities: they shall be to you cities of refuge for the slayer to flee to, every one who has killed another unintentionally.
12 And the cities shall be to you places of refuge from the avenger of blood, and the slayer shall not die until he stands before the congregation for judgment.
13 And the cities which ye shall assign, the six cities, shall be places of refuge for you.
14 Ye shall assign three cities on the other side of Jordan, and ye shall assign three cities in the land of Chanaan.
15 It shall be a place of refuge for the children of Israel, and for the stranger, and for him that sojourns among you; these cities shall be for a place of refuge, for every one to flee thither who has killed a man unintentionally.

The Brenton translation of the Septuagint is in the public domain.