The history of Monaco is long and complex. Far too involved to go into here.
There is no Monaco Airport. The nearest is Nice Cote d'Azur, about 20km away.
You cannot fly to or from Monaco, it does not have an airport. The nearest airport is Nice, but that does not have an flights from Australia. You would have to fly to Paris or Milan, and then get a train to Monaco. The flight from Australia to Europe takes 22 to 26 hours, depending on route.
Sydney to New York is 9946 Miles
Christmas Island is 6675km from Sydney.
There are 3764.727 miles between Sydney, Australia and Antarctica.
They are both far.
400km
There are 9534.503 miles between Athens, Greece and Sydney, Australia.
10,566.67 miles
Around 575kms
Glasgow,Scotland is 16,741 km (10,403 miles) from Sydney, Australia.