Convert from leap to mile [Britain, ancient]

Unit Definition (leap)
The distance leaped (or to be leaped); "a leap of 10 feet".

Unit Definition (mile [Britain, ancient])
A non metric unit of length; a statute mile, used for distances over land, is defined as 5280 ft.; a nautical mile, used for distances along the surface of the oceans, is defined as one minute of arc measured along the equator, which equals 6080.27 fit or 1.1516 statute miles.