fifteen furlongs.

John 6:19
When they had rowed about three or four miles, they saw Jesus approaching the boat, walking on the sea--and they were terrified.

Luke 24:13
That same day two of them were going to a village called Emmaus, about seven miles from Jerusalem.

Revelation 14:20
And the winepress was trodden outside the city, and the blood that flowed from it rose as high as the bridles of the horses, for a distance of 1, 600 stadia.

Revelation 21:16
The city lies foursquare, with its width the same as its length. And he measured the city with the rod, and all its dimensions were equal--12, 000 stadia in length and width and height.