אַחַ֨ד עָשָׂ֥ר יוֹם֙ מֵֽחֹרֵ֔ב דֶּ֖רֶךְ הַר־שֵׂעִ֑יר עַ֖ד קָדֵ֥שׁ בַּרְנֵֽעַ׃
It is eleven days journey from Horeb unto Kadesh-barnea by the way of mount Seir.
Read Jewish philosophical commentary on Deuteronomy 1:2: and classical philosophical sources.