Populated places in Cachapoal Province

Rancagua () is a city and commune in central Chile and part of the Rancagua conurbation. It is the capital of the Cachapoal Province and of the O'Higgins Region, located south of the national capital of Santiago.

Machalí is a Chilean commune and city in Cachapoal Province, O'Higgins Region.

Rengo is a city and commune located in the Zona Central of Chile, situated in the Cachapoal Province of the O'Higgins Region at a distance of south of the city of Rancagua and south of the national capital Santiago. It was named after the courageous Toqui Rengo for his particular bravery at the Battle of Lagunillas.

Graneros is a commune and city in central Chile, located in the O’Higgins Region, Cachapoal Province. It covers an area of 113 km2 and has a population of 35,938 inhabitants (2024 Census), including 17,613 men and 18,325 women. It is situated 74.36 km from Santiago and 11.97 km from Rancagua. Together with the communes of Mostazal and Codegua, Graneros forms part of the Northern Cone area of the O’Higgins Region, serving as its main urban center and a hub for agro-industrial, commercial, and service development.

Codegua () is a Chilean commune and city in Cachapoal Province, O'Higgins Region. According to the 2002 census, the commune population was 10,796 and has an area of 286.9 km2.

Coltauco is a Chilean commune and town in Cachapoal Province, O'Higgins Region. According to the 2002 census, the commune population was 16,228 and has an area of .

Peumo is a Chilean city and commune in Cachapoal Province, O'Higgins Region. It is believed that Peumo was named for the vast amount of Cryptocarya alba, or Peumo trees, that grow there.

Coinco is a Chilean commune and town in Cachapoal Province, O'Higgins Region. According to the 2012 census, the commune population was 6,709 and has an area of .

commune of Chile

Doñihue () is a Chilean city and commune in Cachapoal Province, O'Higgins Region. It is approximately 20 kilometers (12 miles) west-southwest of Rancagua on route H-30. The comune has two principal towns, Doñihue and Lo Miranda.

Chilean city and commune

Requínoa () is a Chilean commune and city in Cachapoal Province, O'Higgins Region.

Mostazal () is a Chilean commune in Cachapoal Province, O'Higgins Region. The capital of the commune is the city of San Francisco de Mostazal.

Malloa (from Mapudungún mallohue, "place of the white clay") is a Chilean commune and town in Cachapoal Province, O'Higgins Region.

Pichidegua () is a Chilean commune and town in Cachapoal Province, O'Higgins Region.

commune of Chile

Olivar is a commune in Chile, located in the O'Higgins Region, 10 km south of Rancagua, and administered by the municipality of Olivar. The main economic activities range from agriculture and food production, especially apples for exportation.

thumb|250px|Saint Rose of Pelequén Sanctuary thumb|250px|Pelequén's streets Pelequén is a Chilean town located in the commune of Malloa, O'Higgins Region. Pelequén is 41 km southwest of the city of Rancagua.