>>>There's a problem with the SearchDistance mapping range for 5,000 km brussels, ie LongMin and LongMax - I do not know why. If I apply min/max and a range of 5,000 km it does not work (tried even 7000)
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>>The use of a proximity search is to search within a proximity distance. So, I guess they never tried it on a wide scale region. Maybe the owner of that algorithm could elaborate more on the topic.
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>Maybe I should use LatitudePlusDistance/LongitudePlusDistance from http://blogs.lessthandot.com/index.php/DataMgmt/DataDesign/sql-server-zipcode-latitude-longitude-pr
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>But now, I need to get some work done

I think you meant this link http://blogs.lessthandot.com/index.php/DataMgmt/DataDesign/sql-server-2008-proximity-search-with-th instead that explains proximity search with geography type.

BTW, I forgave you, you don't have to apologize.