It talks about the 4 corners of the earth in the same way that it talks about the 4 corners of the face.
Isaiah 40:22 "It is he that sitteth upon the circle of the earth, and the inhabitants thereof are as grasshoppers; that stretcheth out the heavens as a curtain, and spreadeth them out as a tent to dwell in."
Job 26:7 "He stretcheth out the north over the empty place, and hangeth the earth upon nothing."
Proverbs 8:27 "When he prepared the heavens, I was there: when he set a compass upon the face of the depth."
Explanation: The word "compass" (Hebrew: chug, again meaning "circle" or "vault") is sometimes interpreted as referring to the Earth's spherical shape, though the context is poetic and could also suggest a circular horizon or the vault of the heavens.
Luke 17:34-36 (New Testament, indirectly relevant) "I tell you, in that night there shall be two men in one bed; the one shall be taken, and the other shall be left. Two women shall be grinding together; the one shall be taken, and the other left. Two men shall be in the field; the one shall be taken, and the other left."
Explanation: This passage describes events happening simultaneously at night (people in bed) and during the day (people working in the field), which implies a spherical Earth with different time zones. The KJV, while not explicitly stating the Earth’s shape, allows for this interpretation when viewed through a modern understanding.
Pretty clear.