Sunan Ibn Majah
1481
Sahih+3

Al-Mughirah bin Shu’bah said:“I heard the Messenger of Allah (ﷺ) say: ‘The rider should travel behind the funeral (procession) but the one who is walking may walk wherever he wants.”

SahihAl-Albani
SahihMuhammad Fouad Abd al-Baqi