Map of Três Rios, Brazil

Três Rios is a city in Rio de Janeiro, Brazil, with a population of about 82,142. It lies at 22.1167°S, 43.2092°W. Três Rios is about 862 km (535 mi) southeast of Brasília, the capital. The nearest city on our map is Paraíba do Sul, 10 km to the southwest.

Três Rios at a glance

Where is Três Rios?

• Located in the Southern and Western hemispheres.
• Daylight ranges from about 10 h 47 min on the shortest day to 13 h 29 min on the longest day (around 21 June and 21 December).

Cities near Três Rios

• Paraíba do Sul — 10 km southwest
• Teresópolis — 41 km southeast
• Juiz de Fora — 42 km north
• Petrópolis — 43 km south
• Guapimirim — 52 km southeast
• Valença — 53 km west
• Vassouras — 57 km southwest
• Cachoeiras de Macacu — 69 km southeast
• Nova Friburgo — 72 km east
• Japeri — 74 km southwest

Largest cities in Rio de Janeiro

• Rio de Janeiro — 6,747,815
• Duque de Caxias — 866,347
• Nova Iguaçu — 843,046
• Belford Roxo — 518,384
• Niterói — 515,317
• Campos dos Goytacazes — 483,540
• São João de Meriti — 466,536
• Petrópolis — 294,926
• São Gonçalo — 285,439
• Volta Redonda — 279,971

Largest cities in Brazil

• São Paulo — 12,400,232
• Rio de Janeiro — 6,747,815
• Belo Horizonte — 2,721,564
• Salvador — 2,711,840
• Fortaleza — 2,400,000
• Manaus — 2,219,580
• Brasília — 2,207,718
• Curitiba — 1,948,626
• Recife — 1,653,461
• Goiânia — 1,536,097

Map of Brazil and all its cities →

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.