Kings Langley is a suburb of Sydney, in the state of New South Wales, Australia. Kings Langley is located 28.3 kilometres north-west in a straight line from the Sydney central business district in the local government area of the City of Blacktown. Kings Langley is part of the Hills District and Greater Western Sydney region. Kings Langley has no overhead powerlines. The real estate website Homely ranked it the 14th best suburb in Sydney (Greater).