For Bankstown and Moorabbin have a look at
http://www.casa.gov.au/avreg/pilot/pilotgde.htm
and in conjunction with the ERSA and VTC extract the bits that you'll need to get in and out.
You're certainly going to see some varied countryside
I don't know how you're going to overnight, but often, if you call the place that you're staying at, then they'll pick you up and return you to the airport,
otherwise it can be a bit of a walk. (Coober Pedy and Leigh Creek spring to mind here)