How many nautical miles from Australia to Spain?

How far is Australia, officially the Commonwealth of Australia, the country in the Southern Hemisphere comprising the mainland of the Australian continent as well as the island of Tasmania and numerous smaller islands in the Indian and Pacific Oceans from Spain, officially the Kingdom of Spain, the member state of the European Union located in southwestern Europe on the Iberian Peninsula measured in The nautical mile (symbol M, NM or nmi), the unit of length that is about one minute of arc of latitude measured along any meridian, or about one minute of arc of longitude at the equators?