Kalkallo is a town in Victoria, Australia, 33 km north of the Melbourne city centre. It is local government area is the City of Hume. At the 2016 Census, Kalkallo had a population of 105. Located on the Hume Freeway, Kalkallo has a few streets, a service station and a pub. It is surrounded by farms not yet developed by the urban sprawl of Melbourne. The nearest access to public transport is the Donnybrook railway station which is serviced by regional V/Line trains.