On 21 Jul 2010, at 23:14, Joe Conway <mail(at)joeconway(dot)com> wrote:
> If you want something simple, and not requiring PostGIS, but plpgsql
> instead, see:
>
> http://archives.postgresql.org/pgsql-sql/2003-12/msg00193.php
For completeness, the earthdistance module also provides the distance between two lat/longs, the point<@>point syntax is simple to use:
http://www.postgresql.org/docs/8.3/static/earthdistance.html
Regards
Oliver Kohll
oliver(at)agilebase(dot)co(dot)uk / +44(0)7814 828608 / skype:okohll
www.agilebase.co.uk - software