Numbers 35:4

4The grazing lands around the towns that you will give to the Levites must extend to a distance of 500 yards
tn Heb “1,000 cubits.” The standard cubit in the OT is assumed by most authorities to be about 18 inches (45 cm) in length, so this would be a distance of 1,500 feet or 500 yards (457.2 meters).
from the town wall.
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