Porteirão is a municipality in south Goiás state, Brazil.

Porteirão is located in the Meia Ponte Microregion in the Rio dos Bois basin.

The distance to the state capital, Goiânia, is 178 km.

Highway connections from Goiânia are made by GO-040 / Aragoiânia / Cromínia / GO-319 / Pontalina / GO-040 / Aloândia / BR-452 / Bom Jesus de Goiás / GO-410.

For the complete list of all distances in Goiás see Seplan Neighboring municipalities are: The economy is based on agriculture, cattle raising, services, public administration, and small transformation industries.