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.

Narrabri is a locality and seat of Narrabri Shire local government area in the North West Slopes, New South Wales, Australia on the Namoi River, 521 kilometres (324 mi) northwest of Sydney. It sits on the junction of the Kamilaroi Highway and the Newell Highway. At the 2021 census, the town of Narrabri had a population of 5,499.