Find most isolated buildings in the Auronzo di Cadore area

You just have to copy the following code and past into Overpass Turbo and execute it.

Try this snippet on Overpass Turbo

area["admin_level"=8]["boundary"="administrative"]["name"="Auronzo di Cadore"]->.searchArea;

way[building](area.searchArea)->.a;

foreach .a (
  way.a(around:1000);
  way._(if:count(ways) == 1);
  out center;
);

This will give the following output.