sql query to calculate distance between latitude longitude

This query calculate the distance in miles. Assume that, you want to get closest user to given point: 41.0049823,28.7319855 How to calculate distance from latitude & longitude in MS SQL So you have a whole table full of members or places with latitude and longitude's associated with them. we need to write a query: We need to find all results from Database within user input distance When we want to calculate the distance between two locations, we need to know the coordinates of these two locations. sql query distance latitude longitude - hochzeitssaal.hamburg Query distance between lat/long point faster — oracle-tech By the way, the constant value 20,890,584 is the earth's average radius in miles (3,956.55) multiplied by 5,280 feet per mile. Can anyone suggest what would be the best way to approach this? Using the methods described above, we can work out that the latitude and longitude values for London are 51.51713 and -0.10619 respectively. TSQL: Calculating distance between two points (Latitude, Longitude ... It is being used to calculate -- the distance between two locations using GeoDataSource (TM) products -- -- Calculate distance between two points lat1, long1 and lat2, long2 -- Uses radius of earth in kilometers . This type represents data in a round-earth coordinate system, You can find out detailed information at Spatial type: Geography The default syntax for to convert Latitude and Longitude into Geography . to perform this calculation, i will use the haversine formula, an important equation used in navigation, providing distances between two points of a sphere from its latitudes and longitudes, having as its mathematical basis, the cosine law, considering in the model the curvature of the earth, that is, the radius of the earth. Of course, finding distances on the surface of the earth means using Great Circle distances, worked out with the Haversine . Using MySQL Query So, I have a table geo_cord containing two fields latitude and longitude and I need to calculate the user input distance in km with another user inputs user_latitude and user_longitude.

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