A few facts about Rio Negro
- About 34,000 people live in Rio Negro.
- It's part of the Paranã region.
- São Paulo, the largest city in Brazil, is about 427 km away.
- For a bigger city, Araucária is about 69 km away.
- Towns nearby: Mafra (less than 1 km), Rio Negrinho (32 km) and Lapa (38 km).