| Area (km²) | State/territory | Answer | % Correct |
|---|---|---|---|
| 68,401 | - | Tasmania | 96%
|
| 4,405 | South Australia | Kangaroo Island | 81%
|
| 1,091 | Tasmania | King Island | 63%
|
| 1,653 | Queensland | K'gari / Fraser Island | 52%
|
| 1,367 | Tasmania | Flinders Island | 44%
|
| 5,786 | Northern Territory | Melville Island | 41%
|
| 362 | Tasmania | Bruny Island | 37%
|
| 1,693 | Northern Territory | Bathurst Island | 30%
|
| 2,326 | Northern Territory | Groote Eylandt | 26%
|
| 478 | Tasmania | Cape Barren Island | 22%
|
| 620 | Western Australia | Dirk Hartog Island | 22%
|
| 368 | HMI (ext.) | Heard Island | 22%
|
| 1,002 | Queensland | Mornington Island | 15%
|
| 393 | Queensland | Hinchinbrook Island | 11%
|