'O God' in the Bible

Then you will go on from there and further you will come to the oak of Tabor. There three men will meet you, who [are] going up to God at Bethel. One will be carrying three male kid goats, one will be carrying three loaves of bread, and one will be carrying a skin of wine.

Saul said, "Let us go down after [the] Philistines [by] night, and let us plunder them until the morning light, and let us not leave [alive] a man among them." So they said, "Do all that [is] good in your eyes." But the priest said, "Let us draw near to God here."