Great Circle Distance Formula: T-SQL

Question

So I have a table with a bunch of different addresses in it. I need a proc that will select the addresses in that table that are within a specified distance in miles from th

Answer 1

SQL Server 2008

Using the spacial function STDistance return distance in meters

geography::Point(@lat1, @lon1, 4326).STDistance(geography::Point(@lat2, @lon2, 4326))