It is 504 km west of the state capital of Curitiba , 605 km west of the sea port of ParanaguÃ and 140 km from Foz do IguaÃ u \/ the 3 borders ( Paraguay , Argentina and Brazil ) . It is 504 km west of the state capital of Curitiba and 605 km west of the sea port of ParanaguÃ , 140 km from the 3 borders ( Paraguay , Argentina and Brazil ) at 24 Â 58 ' South , 53 Â 26 ' West .