$fLat is the searchers latitude and $fLon the searchers longitude.

query.sql

SELECT
  `id`,
  `name`
FROM 
  `stations`
WHERE
  ACOS( SIN( RADIANS( `latitude` ) ) * SIN( RADIANS( $fLat ) ) + COS( RADIANS( `latitude` ) )
  * COS( RADIANS( $fLat )) * COS( RADIANS( `longitude` ) - RADIANS( $fLon )) ) * 6380 < 10
ORDER BY 
  `distance`