'O God' in the Bible

Then you will go on further from there, and you will come as far as the oak of Tabor, and there three men going up to God at Bethel will meet you, one carrying three young goats, another carrying three loaves of bread, and another carrying a jug of wine;

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