SELECT 가져올컬럼,
(6371 * acos(cos(radians(lat좌표값)) * cos(radians(slLat)) * cos(radians(slLng) - radians(lng좌표값)) +
sin(radians( lat좌표값)) * sin(radians(slLat))))
AS distance
FROM 대상테이블
HAVING distance <= 거리
ORDER BY distance
LIMIT 0,1000
거리 작성시 1 = 1km