Larrimah is a remote town and locality in the Northern Territory of Australia, approximately 431 kilometres southeast of the territorial ca…Larrimah is a remote town and locality in the Northern Territory of Australia, approximately 431 kilometres southeast of the territorial capital of Darwin and 158 kilometres southeast of the municipal seat of Katherine. It is on the Stuart Highway. It was established during the Second World War as the railhead of the North Australia Railway and a significant site for troop movements and military supplies.