Sunan an Nasai 491
The Book of Salah
أَخْبَرَنَا عَمْرُو بْنُ عَلِيٍّ، وَمُحَمَّدُ بْنُ الْمُثَنَّى، عَنْ يَحْيَى، عَنْ عَبْدِ الْمَلِكِ، قَالَ حَدَّثَنَا سَعِيدُ بْنُ جُبَيْرٍ، عَنِ ابْنِ عُمَرَ، قَالَ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يُصَلِّي عَلَى دَابَّتِهِ وَهُوَ مُقْبِلٌ مِنْ مَكَّةَ إِلَى الْمَدِينَةِ وَفِيهِ أُنْزِلَتْ { فَأَيْنَمَا تُوَلُّوا فَثَمَّ وَجْهُ اللَّهِ } .
It was narrated that Ibn 'Umar said:"The Messenger of Allah (ﷺ) used to pray while on his animal when he was coming back from Makkah to Madinah. Concerning this, the verse was revealed: So wherever you turn (yourselves or your faces) there is the Face of Allah.'" [1] [1] Al-Baqarah 2:
Grading: Abu Ghuddah: Sahih · Al-Albani: Sahih · Zubair Ali Zai: Sahih Muslim
Text from the public-domain hadith-api dataset. Numbering follows that dataset and can differ by a few from some printed editions — check the wording, not only the number.