Ok, it seems a better.<br>thanks<div><br></div><div>Davi</div><div><br></div><div><br></div><div><br></div><div>To sort by distance to a given reference point you could use something</div><div>like</div><div><br></div><div>
 import Data.List (sortBy)</div><div> import Data.Ord (comparing)</div><div><br></div><div> ...</div><div><br></div><div> sortedExamples = sortBy (comparing (distance referenceEx)) listExs</div>