Cockburn Central is a suburb of Perth and is 24 kilometres ( 15 mi ) south of Perth 's central business district ( CBD ) along the Kwinana Freeway .
Perth is the capital city of Western Australia .
Cockburn Central is a suburb of Perth , the capital city of Western Australia , and is 24 kilometres ( 15 mi ) south of Perth 's central business district ( CBD ) along the Kwinana Freeway .