find adjacent coordinates

SQL

use dewiki_p;
set @centLat:=50.25872;
set @centLon:=8.53099;

select sqrt((gt_lat - @centLat)*(gt_lat - @centLat) + (gt_lon - @centLon)*(gt_lon - @centLon)) as distanzungefaehr, 
       gt_lat, gt_lon, gt_page_id, gt_name,
       (select page_title from page where page_id = gt_page_id) as title,
       gt_country,gt_region from geo_tags
        order by 1 asc limit 100;
       
use commonswiki_p;
set @centLat:=50.25872;
set @centLon:=8.53099;

select sqrt((gt_lat - @centLat)*(gt_lat - @centLat) + (gt_lon - @centLon)*(gt_lon - @centLon)) as distanzungefaehr, 
       gt_lat, gt_lon, gt_page_id, gt_name,
       (select page_title from page where page_id = gt_page_id) as title,
       gt_country,gt_region from geo_tags
        order by 1 asc limit 100;
SQL

Checking query status...
