10,348.43 kilometres (6,430.23 miles)
10,403.92 kilometres (6,464.71 miles)
11,183.9 kilometres (6,949.37 miles)
5878 miles or 5108 nautical miles.
The total distance from Sydney to Buenos Aires is 7,340 miles, which is 11,812 kilometres or 6,378 nautical miles.