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