From Sahih Bukhari (Hadith 7329):
Narrated Anas bin Malik:Allah's Messenger (ﷺ) used to perform the `Asr prayer and then one could reach the `Awali (a place in the outskirts of Medina) while the sun was still quite high. Narrated Yunus: The distance of the `Awali (from Medina) was four or three miles
Reference: Bukhari 7329