Kamilaroi Highway is a 605-kilometre (376 mi) state highway located in the north-western region of New South Wales, Australia, and links Bourke via Walgett and Narrabri to Willow Tree. The highway is named after the Kamilaroi Indigenous Australian people who live in the area.

Bourke is a town in the north-west of New South Wales, Australia. The administrative centre and largest town in Bourke Shire, Bourke is approximately 800 kilometres (500 mi) north-west of the state capital, Sydney, on the south bank of the Darling River. it is also situated:137 kilometres south of Barringun and the Queensland – New South Wales Border 256 kilometres south of Cunnamulla 454 kilometres south of Charleville