וַתֵּלֶךְ֩ וַתֵּ֨שֶׁב לָ֜הּ מִנֶּ֗גֶד הַרְחֵק֙ כִּמְטַחֲוֵ֣י קֶ֔שֶׁת כִּ֣י אָֽמְרָ֔ה אַל־אֶרְאֶ֖ה בְּמ֣וֹת הַיָּ֑לֶד וַתֵּ֣שֶׁב מִנֶּ֔גֶד וַתִּשָּׂ֥א אֶת־קֹלָ֖הּ וַתֵּֽבְךְּ׃
EIle alla s’asseoir du côté opposé, à la distance d’un trait d’arc, en se disant: "Je ne veux pas voir mourir cet enfant"; et ainsi assise du côté opposé, elle éleva la voix et pleura.
Radak on Genesis
ותלך, after she had thrown Ishmael under one of the small trees, she went away a distance and sat down.
Haamek Davar on Genesis
And she went to sit across from him: A second time, to indicate that she distanced herself more than a bowshot, since she wanted to cry out loud. But she did not want the child to hear her crying; as this is hard for a sick person - whether he will recover or whether he will die. Hence she distanced herself further and she raised her voice and cried.