Map of Porto Velho, Brazil

Porto Velho is the administrative centre of Rondônia, Brazil, with a population of about 548,952. It lies at 8.7619°S, 63.9039°W. Porto Velho is about 1,902 km (1,182 mi) west of Brasília, the capital. The nearest city on our map is Ariquemes, 159 km to the southeast.

Porto Velho at a glance

Where is Porto Velho?

• The 38th largest city in Brazil by recorded population.
• The largest city in Rondônia on this site.
• Located in the Southern and Western hemispheres.
• Daylight ranges from about 11 h 37 min on the shortest day to 12 h 38 min on the longest day (around 21 June and 21 December).

Cities near Porto Velho

• Ariquemes — 159 km southeast
• Humaitá — 169 km northeast
• Jaru — 244 km southeast
• Guajará Mirim — 274 km southwest
• Guayaramerín — 279 km southwest, Bolivia
• Ouro Preto do Oeste — 288 km southeast
• Ji Paraná — 319 km southeast
• Riberalta — 343 km southwest, Bolivia
• Cacoal — 401 km southeast
• Manicoré — 436 km northeast

Largest cities in Rondônia

• Ji Paraná — 140,101
• Vilhena — 109,651
• Ariquemes — 96,833
• Cacoal — 85,893
• Jaru — 50,591
• Guajará Mirim — 46,556
• Pôsto Fiscal Rolim de Moura — 37,949
• Pimenta Bueno — 36,881
• Ouro Preto do Oeste — 35,044

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.