Though assured by God of the victory, yet he useth all prudent means, and surpriseth them. It is not said that he went from Gilgal to Gibeon in a night's space, but only that he travelled all night; unto which you may add part either of the foregoing or of the following day.
Related Commentaries of Joshua 10:9
Joshua 10:9
9 Joshua therefore came unto them suddenly, and went up from Gilgal all night.