Till thou come unto Gaza, i.e. from the east, on which side they entered, to the west, where Gaza was near the sea; so they destroyed the whole land.
Related Commentaries of Judges 6:4
Judges 6:4
4 And they encamped against them, and destroyed the increase of the earth, till thou come unto Gaza, and left no sustenance for Israel, neither sheep, nor ox, nor ass.