It takes about 27 minutes to drive from the Brisbane Airport to Port of Brisbane.
From Samford Village to the Domestic terminal at Brisbane Airport is a journey of about 34 minutes, depending on traffic.
From Brisbane Airport to Southbank is a distance of 18.5km. Allowing for traffic, the car journey should take around 25 minutes.
From Brisbane Airport to Maleny is a distance of 91km and takes around an hour and a half by car.
In reference to the 2011 floods: There will be some back roads open, but generally this is an area one should avoid, as there is considerable flooding along the way.