Indian ocean you cross the Indian ocean to get to the other side
You would cross the Indian ocean. You would arrive on Australia's west coast.
Indan ocean
The Indian ocean runs through Asia (India, Indonesia etc) to Australia to East Africa (Somalia)
You have to cross the Indian Ocean to travel from eastern Africa to India, but you can travel on land.
Somalia is 7,070 miles (11,400 kilometers) from Australia.
south atlantic ocean
The Indian ocean.
If you are leaving Asia off the tip of India (by Sri Lanka) then you would cross the Indian Ocean to get to Australia. If you are leaving Asia off of China (below Japan) then you would cross the North Pacific Ocean and the Phillipine Sea.
the South China Sea
The Indian Ocean
Sri Lanka, India, South Africa, Mozambique, Tanzania, Kenya, Somalia, Madagascar, Indonesia, and Australia