Castelo do Piauí at a glance
- About 20,000 people live in Castelo do Piauí.
- It's part of Piauí.
- It's about 2098 km to São Paulo, the country's largest city.
- For a bigger city, Crateús is about 99 km away.
- Towns nearby: São Miguel do Tapuio (32 km), Sigefredo Pacheco (50 km) and Buriti dos Montes (50 km).