Upon reaching the top of Australia, the characters look out at open water, however there are two islands (York and Eborac Island) which have been digitally removed from this shot.
During the end credits, Paul Hogan's character wonders how long it took to paint the Sydney Harbour Bridge. Paul Hogan worked as a painter on the bridge prior to making it as an actor/comedian.
After leaving the rest area when they broke the window and got the guitar back, it shows them driving on the right hand side of the road with traffic oncoming on the left, and the numbers are inverted on the letter box.