diff --git a/project_final/admin/index.php b/project_final/admin/index.php
index 6f6dc51..da24135 100644
--- a/project_final/admin/index.php
+++ b/project_final/admin/index.php
@@ -32,7 +32,7 @@ $blankCount = $pdo->query("
     WHERE NOT EXISTS (
         SELECT 1
         FROM rumah_ibadah ri
-        WHERE ST_Distance_Sphere(w.geom, ri.geom) <= ri.radius_bantuan_meter
+        WHERE ST_Distance_Sphere(ST_SRID(w.geom, 4326), ST_SRID(ri.geom, 4326)) <= ri.radius_bantuan_meter
     )
 ")->fetch();
 $blankSpot = (int)($blankCount['cnt'] ?? 0);
diff --git a/project_final/api/blank_spot.php b/project_final/api/blank_spot.php
index 81b7d44..a4d8ce5 100644
--- a/project_final/api/blank_spot.php
+++ b/project_final/api/blank_spot.php
@@ -16,9 +16,9 @@ $sql = "
         w.penghasilan,
         ST_AsGeoJSON(w.geom) AS geojson,
         ri.nama AS rumah_ibadah_terdekat,
-        ST_Distance_Sphere(w.geom, ri.geom) AS jarak_meter,
+        ST_Distance_Sphere(ST_SRID(w.geom, 4326), ST_SRID(ri.geom, 4326)) AS jarak_meter,
         ri.radius_bantuan_meter,
-        (ST_Distance_Sphere(w.geom, ri.geom) - ri.radius_bantuan_meter) AS selisih_meter
+        (ST_Distance_Sphere(ST_SRID(w.geom, 4326), ST_SRID(ri.geom, 4326)) - ri.radius_bantuan_meter) AS selisih_meter
     FROM warga_miskin w
     JOIN rumah_ibadah ri
     JOIN (
@@ -28,18 +28,18 @@ $sql = "
         FROM (
             SELECT
                 w2.id AS warga_id,
-                ST_Distance_Sphere(w2.geom, ri2.geom) AS jarak_meter
+                ST_Distance_Sphere(ST_SRID(w2.geom, 4326), ST_SRID(ri2.geom, 4326)) AS jarak_meter
             FROM warga_miskin w2
             CROSS JOIN rumah_ibadah ri2
         ) nearest_distance
         GROUP BY nearest_distance.warga_id
     ) nearest
         ON nearest.warga_id = w.id
-        AND ABS(ST_Distance_Sphere(w.geom, ri.geom) - nearest.min_jarak_meter) < 0.001
+        AND ABS(ST_Distance_Sphere(ST_SRID(w.geom, 4326), ST_SRID(ri.geom, 4326)) - nearest.min_jarak_meter) < 0.001
     WHERE NOT EXISTS (
         SELECT 1
         FROM rumah_ibadah ri_in_radius
-        WHERE ST_Distance_Sphere(w.geom, ri_in_radius.geom) <= ri_in_radius.radius_bantuan_meter
+        WHERE ST_Distance_Sphere(ST_SRID(w.geom, 4326), ST_SRID(ri_in_radius.geom, 4326)) <= ri_in_radius.radius_bantuan_meter
     )
     GROUP BY w.id
     ORDER BY selisih_meter DESC
diff --git a/project_final/api/spbu_terdekat.php b/project_final/api/spbu_terdekat.php
index c8b5699..1390820 100644
--- a/project_final/api/spbu_terdekat.php
+++ b/project_final/api/spbu_terdekat.php
@@ -5,7 +5,7 @@ $lat = (float)($_GET['lat'] ?? 0); $lng = (float)($_GET['lng'] ?? 0);
 if (!$lat || !$lng) sendError('lat dan lng wajib diisi');
 $wkt = sprintf('POINT(%F %F)', $lng, $lat);
 $stmt = $pdo->prepare("SELECT id, nama, buka_24_jam, ST_AsGeoJSON(geom) as geojson,
-    ST_Distance_Sphere(geom, ST_GeomFromText(?)) / 1000 as jarak_km
+    ST_Distance_Sphere(ST_SRID(geom, 4326), ST_SRID(ST_GeomFromText(?), 4326)) / 1000 as jarak_km
     FROM spbu ORDER BY jarak_km ASC LIMIT 1");
 $stmt->execute([$wkt]);
 $r = $stmt->fetch();
diff --git a/project_final/user/index.php b/project_final/user/index.php
index 4992435..29c06a8 100644
--- a/project_final/user/index.php
+++ b/project_final/user/index.php
@@ -29,7 +29,7 @@ $blankCount = $pdo->query("
     WHERE NOT EXISTS (
         SELECT 1
         FROM rumah_ibadah ri
-        WHERE ST_Distance_Sphere(w.geom, ri.geom) <= ri.radius_bantuan_meter
+        WHERE ST_Distance_Sphere(ST_SRID(w.geom, 4326), ST_SRID(ri.geom, 4326)) <= ri.radius_bantuan_meter
     )
 ")->fetch();
 $blankSpot = (int)($blankCount['cnt'] ?? 0);