حَدَّثَنَا الْقَعْنَبِيُّ، قَالَ قَالَ مَالِكٌ لاَ يَنْبَغِي لأَحَدٍ أَنْ يُجَاوِزَ الْمُعَرَّسَ إِذَا قَفَلَ رَاجِعًا إِلَى الْمَدِينَةِ حَتَّى يُصَلِّيَ فِيهَا مَا بَدَا لَهُ لأَنَّهُ بَلَغَنِي أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم عَرَّسَ بِهِ ‏.‏ قَالَ أَبُو دَاوُدَ سَمِعْتُ مُحَمَّدَ بْنَ إِسْحَاقَ الْمَدَنِيَّ قَالَ الْمُعَرَّسُ عَلَى سِتَّةِ أَمْيَالٍ مِنَ الْمَدِينَةِ ‏.‏

Narrated Malik: One should not exceed al-Mu'arras when one returns to Medina until one prays there as much as one wishes, for I have been informed that the Messenger of Allah (PBUH) halted there at night. Abu Dawud said: I heard Muhammad b. Ishaq al-Madini say: Al-Mu'arras lies at a distance of six miles from Medina. Translation Not Available

Book Ref: Sunan Abi Dawud Book 11 Hadith 2045
Web Ref:  Sunan Abi Dawud Book 10 Hadith 2040