Sahih Muslim 3258
صحيح مسلم#3258SahihIbn 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
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 15:462