Nyngan's a town in north-western New South Wales, Australia, in the Bogan Shire Local Government Area. At the 2001 census, Nyngan had a population of 2,065. Nyngan's located between Narromine and Bourke, on the junction of the Mitchell Highway and Barrier Highway, 583 km north-west of Sydney. The Barrier Highway starts at Nyngan, and runs west to Cobar and on through Wilcannia and Broken Hill into South Australia. It's on the Main Western railway line of New South Wales but's no longer served b… (More on Nyngan)