 The closest large modern settlements are Flores and Santa <unk> , approximately 64 kilometres ( 40 mi ) by road to the southwest . <unk> is approximately <unk> kilometres ( 188 mi ) north of Guatemala City . It is 19 kilometres ( 12 mi ) south of the contemporary Maya city of <unk> and 30 kilometres ( 19 mi ) northwest of <unk> . The city was located 100 kilometres ( 62 mi ) southeast of its great Classic Period rival , <unk> , and 85 kilometres ( 53 mi ) northwest of <unk> 's ally <unk> , now in Belize . 
