Hadith.2532 - Al-Hasan ibn Mahbub narrated from Abdullah ibn Sinan, from Abu Abdullah (as), who said
"Whoever resides in Medina intending to perform Hajj for a month or so, and then decides to depart on a route other than that of Medina, when they are opposite Al-Shajarah and Al-Bayda, a distance of six miles, they should assume Ihram from there."