If the miracle was performed in a place belonging to the city of Bethsaida, as stated by Luke, they did not cross the sea to reach Bethsaida, as stated by Mark.
179
After feeding the five thousand what did Jesus do?
Matthew and Mark: “He sent the multitudes away” ([Matt. xiv, 22]; [Mark vi, 45]).
John: He did not send the multitude away, but withdrew himself into a mountain ([vi, 15]).
180
For what purpose did he go to the mountain?
Matthew and Mark: “And when he had sent the multitudes away, he went up into a mountain, apart to pray” ([Matt. xiv, 23]; [Mark vi, 46]).