Petrolia is an unincorporated community in Lawrence County, Illinois, United States. Petrolia is 5.5 miles (8.9 km) west-northwest of Lawrenceville. (en)
Petrolia is an unincorporated community in Lawrence County, Illinois, United States. Petrolia is 5.5 miles (8.9 km) west-northwest of Lawrenceville. (en)