It is 2214 miles, according to Royal Brunei Airlines.
Approximately 16,000 km
Via the Monaro Hwy 1,002 km
0, because sydney is in Australia
I don't know exactly, but you need to pass Australia, and Indonesia to get to Brunei
Australia has a land area of 7,686,850 sq km
It is 921 km by road between Brisbane and Sydney. Air distance is 728 km.
There are many instruments in Brunei
Victoria, Australia covers an area of 237,629 km²