South Wentworthville is a suburb of Sydney, in the state of New South Wales, Australia. South Wentworthville is located 28 kilometres west of the Sydney central business district, in the local government area of the Cumberland Council and is part of the Greater Western Sydney region. South Wentworthville is an extension of Wentworthville. Rick Springfield was born in South Wentworthville. Channel Seven newsreader, Chris Bath, grew up in the suburb and worked at nearby Kmart Merrylands.