| km | Island | Country | % Correct |
|---|---|---|---|
| 770 | Greenland | Canada | 97%
|
| 1 | Singapore | Malaysia | 97%
|
| 33 | Great Britain | France | 96%
|
| 296 | North Andaman | Myanmar | 95%
|
| 86 | Sri Lanka | India | 94%
|
| 248 | Malta | Italy | 91%
|
| 128 | Taiwan | China | 90%
|
| 974 | Iceland | Norway | 90%
|
| 70 | Cyprus | Turkey | 89%
|
| 1096 | Bermuda | United States | 87%
|
| 499 | West Falkland | Argentina | 84%
|
| 210 | Cuba | Mexico | 80%
|
| 417 | Madagascar | Mozambique | 79%
|
| 15 | Trinidad | Venezuela | 78%
|
| 180 | Honshu | South Korea | 74%
|
| 22 | Bahrain | Saudi Arabia | 72%
|
| 624 | Jamaica | Honduras / Nicaragua | 66%
|
| 307 | Tenerife | Morocco | 64%
|
| 234 | Socotra | Somalia | 30%
|
| 714 | Attu | Russia | 26%
|