Cooma is a town in the south of New South Wales, Australia. It is located 114 kilometres south of the national capital, Canberra, via the Monar…Cooma is a town in the south of New South Wales, Australia. It is located 114 kilometres south of the national capital, Canberra, via the Monaro Highway. It is also on the Snowy Mountains Highway, connecting Bega with the Riverina.