The Monaro Highway runs from Canberra Avenue in the north 7.8 kilometres west of Canberra and 11 kilometres east of Queanbeyan to the Princes Highway in Victoria at Cann River, in the south. When it crosses the New South Wales border into Victoria it becomes B23. It is 43 kilometres from the New South Wales / Victoria border to Cann River. It is 280 kilometres long and a 3.20 hour drive. The kilometres mentioned in this website are approximate only