Congregational Prayer and Its Virtue
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 57
وَ فِي رِوَايَةِ عَبْدِ اَللَّهِ بْنِ سِنَانٍ عَنْ أَبِي عَبْدِ اَللَّهِ عَلَيْهِ اَلسَّلاَمُ قَالَ: «أَقَلُّ مَا يَكُونُ بَيْنَكَ وَ بَيْنَ اَلْقِبْلَةِ مَرْبِضُ عَنْزٍ وَ أَكْثَرُ مَا يَكُونُ مَرْبِطُ فَرَسٍ.
In the narration of Abdullah ibn Sinan from Imam Jafar ibn Muhammad Al-Sadiq عليه السلام said: "The minimum distance that should be between you and the Qibla is the space of a goat's resting place, and the maximum distance is the tethering place of a horse."
- Ṣaḥīḥ al-Faqīh