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Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
bukhari:6591 – ʿAlī b. ʿAbdullāh > Ḥaramī b. ʿUmārah > Shuʿbah > Maʿbad b. Khālid > Ḥārithah b. And Hb

I heard the Prophet ﷺ mentioning the Lake-Fount (Al-Kauthar), saying, "(The width of the Lake-Fount) is equal to the distance between Medina and Sana' (capital of Yemen)."  

البخاري:٦٥٩١ – حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ اللَّهِ حَدَّثَنَا حَرَمِيُّ بْنُ عُمَارَةَ حَدَّثَنَا شُعْبَةُ عَنْ مَعْبَدِ بْنِ خَالِدٍ أَنَّهُ سَمِعَ حَارِثَةَ بْنَ وَهْبٍ يَقُولُ

سَمِعْتُ النَّبِيَّ ﷺ وَذَكَرَ الْحَوْضَ فَقَالَ كَمَا بَيْنَ الْمَدِينَةِ وَصَنْعَاءَ