The distance by air is 1765km from Darwin (Australia) to Denpasar (Bali). I think the air time is approximately 2 hours.
About 6,000 kilometres to drive from Perth, Western Australia to Cairns, Queensland. In a straight line I would estimate it to be about 4,000 kilometres.
From Surfers Paradise to Cairns by road is a distance of 1763 km. Air distance is about 1458 km.
15,205.01 kilometres (9,447.98 miles)
From Cairns to Airlie Beach is a distance of 620km. It takes between 7 and 8 hours to drive.