Tradition
St. John Chrysostom
Homilies on the Gospel of John
Homily 62 › John 11:18
“Now Bethany was about fifteen furlongs off.”
Not without cause does he mention this, but desires to inform us that it was near, and that it was probable on this account that many would be there. He therefore declaring this adds,
Source: Homilies on the Gospel of John (New Advent)