How long timewise is their journey?
The journey is 14 hours by car; but expected to take around 20 hours according to this source (factoring in stops etc):
Taronga Zoo's elephants pack their trunks and say goodbye to Sydney as new life in SA awaits - ABC News
It's early morning, and before the zoo gates open to throngs of school holiday visitors, keepers are busy helping Asian elephant Tang Mo get used to the crate that she'll soon be travelling more than 20 hours in to her new home in South Australia.