| Area (square km) | Country | Answer | % Correct |
|---|---|---|---|
| 748,168 | Brunei/Indonesia/Malaysia | Borneo | 98%
|
| 507,451 | Canada | Baffin Island | 95%
|
| 5,416 | Indonesia | Bali | 77%
|
| 70,028 | Canada | Banks Island | 63%
|
| 9,318 | Papua New Guinea | Bougainville Island | 44%
|
| 3,500 | None (Antarctica) | Bear Island | 40%
|
| 1,935 | Equatorial Guinea | Bioko | 40%
|
| 20,000 | Brazil | Bananal | 28%
|
| 11,413 | Indonesia | Bangka | 26%
|
| 16,042 | Canada | Bathurst Island | 23%
|
| 1,692 | Australia | Bathurst Island | 23%
|
| 8,473 | Indonesia | Buru | 23%
|
| 43,873 | None (Antarctica) | Berkner Island | 21%
|
| 11,206 | Russia | Bolshevik Island | 19%
|
| 4,478 | Indonesia | Belitung | 16%
|
| 3,821 | Philippines | Bohol | 16%
|
| 1,288 | Norway | Barentsøya | 14%
|
| 11,067 | Canada | Bylot Island | 14%
|
| 4,065 | United States | Baranof Island | 9%
|
| 1,441 | Bangladesh | Bhola Island | 9%
|
| 4,408 | Indonesia | Buton | 9%
|
| 1,266 | Philippines | Basilan | 7%
|
| 1,173 | Indonesia | Bintan Island | 7%
|
| 2,794 | Canada | Borden Island | 7%
|
| 7,929 | South Sudan | Bahr al Jabal Island | 5%
|
| 1,660 | Russia | Bering Island | 2%
|
| 1,764 | Russia | Bolshoy Begichev Island | 2%
|
| 5,157 | Russia | Bolshoy Lyakhovsky Island | 2%
|
| 1,766 | Russia | Bolshoy Shantar Island | 2%
|
| 1,900 | Indonesia | Bacan | 0%
|
| 1,810 | Russia | Bely Island | 0%
|
| 1,904 | Indonesia | Biak | 0%
|
| 2,171 | Indonesia | Boven Digul | 0%
|
| 1,150 | Canada | Byam Martin Island | 0%
|