Whether distance is returned or not, it is trivial to calculate outside of the search using trigonometry (actually, more Pythagoras Theorem). That assumes you are dealing with short distances, otherwise you will need to use more complicated formulas to calculate the "great arc" between two points (e.g. the distance from London to New York is not a straight line - it is an arc around...
2009-08-27 12:22:26 UTC in Local Lucene