If you use miles as a unit of length than - the distance from Heddon Greta to Coober Pedy is zero miles.
The road trip out of Heddon Greta to Coober Pedy will take if you drive with average speed and the absence of accidents and traffic jams
Watch distance between Heddon Greta and Coober Pedy
Flight from Heddon Greta to Coober Pedy