The Book Pertaining to the Turmoil and Portents of the Last Hour (Kitab Al-Fitan wa Ashrat As-Sa`ah)
Muslim :: Book 41 : Hadith 6936
Abu Huraira reported that Allah's Messenger (may peace be upon him) said: (The Last Hour would not come) until the habitations of Medina would extend to Ihab or Yahab. Zubair said: I said to Suhail how far these were from Medina. He said: So and so miles.