A few facts about São João da Fronteira
- About 5,500 people live in São João da Fronteira.
- It lies in Piauí.
- São Paulo, the largest city in Brazil, is about 2254 km away.
- For a bigger city, Tianguá is about 39 km away.
- Close by: Ubajara (39 km), Ibiapina (41 km) and Carnaubal (42 km).