根据邮编/经度/纬度选择结果

i have 3 tables: 1 contains people with their city (comes from other table) and the range (int, 1-20) they want to be found in (in miles) 1 contains cities and the beginning of the postcode (i.e. BB2) 1 contains cities and their logitudes/latitudesi have 3 tables: 1 contains people with their c