SELECT id, ort, fachwort, ( 6368 * SQRT(2*(1-cos(RADIANS(lng)) * cos(0.2065159092093) * (sin(RADIANS(lat)) * sin(0.83407277824169) + cos(RADIANS(lat)) * cos(0.83407277824169)) - sin(RADIANS(lng)) * sin(0.2065159092093)))) AS entfernung FROM literatur WHERE 6368 * SQRT(2*(1-cos(RADIANS(lng)) * cos(0.2065159092093) * (sin(RADIANS(lat)) * sin(0.83407277824169) + cos(RADIANS(lat)) * cos(0.83407277824169)) - sin(RADIANS(lng)) * sin(0.2065159092093))) <= 25 ORDER BY entfernung