It is further, in a 'straight line' distance, from Sydney to Perth than Sydney to Auckland. Sydney to Perth is 3,298kms and Sydney to Auckland is2,161kms.
Sydney to Perth is a 5 hours 0 mins flight
Sydney to Perth: 4,110 kilometres Sydney to Darwin: 3,991 kilometres
Perth then Sydney then Adelaide
Yes. Sydney and Perth are on opposite coasts of Australia.
By train, private car or airplane
The flight from Perth to Sydney takes about 5 hours
Perth
The flight distance from Sydney to Perth is 3301 kilometres
The distance from Perth to Sydney is 2037 miles (3279 km).
235km.
Both cities being within the southern hemisphere, Sydney would be in summer at the same time as Perth.