As for what Ahmad ibn Muhammad ibn Isa narrated from Abdullah ibn Abi Khalaf, from Yahya ibn Hashim, from Abu Harun al-Abdi, from Abu Saeed al-Khudri: (Abu Saeed al-Khudri) said: “When the Prophet صلى الله عليه وعلى آله وسلم, Allah’s سبحانه وتعالى blessings be upon him and his family, travelled one farsakh, He صلى الله عليه وعلى آله وسلم would shorten the prayer.”