Convert from didot point to mile [survey, US]

Unit Definition (didot point)
The didot point is a unit of distance used in typography. It was named after the French typographer Firmin Didot (1764-1836).

Unit Definition (mile [survey, US])
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.