Sahih Muslim 3258
صحيح مسلم#3258Sahihحَدَّثَنَا زُهَيْرُ بْنُ حَرْبٍ، وَمُحَمَّدُ بْنُ الْمُثَنَّى، قَالاَ حَدَّثَنَا يَحْيَى، - وَهُوَ الْقَطَّانُ - عَنْ عُبَيْدِ اللَّهِ، أَخْبَرَنِي نَافِعٌ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " لاَ تُسَافِرِ الْمَرْأَةُ ثَلاَثًا إِلاَّ وَمَعَهَا ذُو مَحْرَمٍ " .
Ibn Umar (Allah be pleased with them) reported Allah's Messenger (ﷺ) as saying:A woman should not set out on three (days' journey) except when she has a Mahram with her
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 15:462