(74) باب سَفَرِ الْمَرْأَةِ مَعَ مَحْرَمٍ إِلَى حَجٍّ وَغَيْرِهِ
Abu Huraira (Allah be pleased with him) reported Allah's Apostle (ﷺ) as saying:
It is not lawful for a woman who believes in Allah and the Hereafter to undertake a day's journey except in the company of a Mahram.
Reference: Sahih Muslim 1339 b
In-book reference: Book 15, Hadith 471
USC-MSA web (English) reference(deprecated numbering scheme): Book 7, Hadith 3105