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 Blacktown City council. The suburb extends from the south-west of Vardys Road and Sunnyholt Road, with the north-east adjacent the Glenwood, Bella Vista and Baulkham Hills areas. Homely, a real estate website, gave an overall score of 9.4/10 and ranked it the 14th-best suburb in Sydney.