laravel 经纬度 距离排序

$paginate = DB::table('customers')
                    ->where($where)
                //   ->selectRaw("id, longitude, latitude,name,contact, ROUND(ST_DISTANCE(point(longitude, latitude), point({$log}, {$lat})) *111195,2) distance")
                    ->selectRaw("id, longitude, latitude,name,contact,(2 * 6371 * ASIN(SQRT(POWER(SIN((RADIANS($lat) - RADIANS(`latitude`)) / 2), 2) + COS(RADIANS($lat)) * COS(RADIANS(`latitude`)) * POWER(SIN((RADIANS($lng) - RADIANS(`longitude`)) / 2), 2)))) AS distance")
                    ->orderBy('distance','asc')
                    ->paginate($input['size']);