'O God' in the Bible

And you shall go forward from there, and you shall come to the great tree of Tabor. And there you shall meet three men going up to God to Bethel, one carrying three kids, and another carrying three loaves of bread, and another carrying a skin of wine.

And Saul said, Let us go down after the Philistines by night and spoil them until the morning light, and let us not leave a man of them. And they said, Do all that seems good to you. Then the priest said, Let us draw near here to God.