i use a rule of 3 with this tbh im reading the post too but i read it previously and did not get it too much
["South America, Lima Peru"] = ingame: { x = 1160, y = 1035 }, irl: [-12.045, -77.042]
["South America, Santiago Chile"] = ingame: { x = ?, y = ? }, irl: [-33.451, -70.668]