John 6:19

19Having rowedἐληλακότεςthereforeοὖνaboutὡςstadiaσταδίουςtwentyεἴκοσιfiveπέντεorἢthirtyτριάκονταthey seeθεωροῦσιντὸνJesusἸησοῦνwalkingπεριπατοῦνταonἐπὶtheτῆςseaθαλάσσηςandκαὶnearἐγγὺςtheτοῦboatπλοίουcomingγινόμενον,andκαὶthey were frightenedἐφοβήθησαν.

Therefore, having rowed about twenty-five or thirty stadia, they see Jesus walking on the sea and coming near the boat, and they were afraid.