| Island(s) Shared | Answer | % Correct |
|---|---|---|
| Ireland, Cyprus (Overseas Territory) | United Kingdom | 100%
|
| Borneo, Sebatik | Malaysia | 99%
|
| New Guinea, Borneo, Timor, Sebatik | Indonesia | 98%
|
| Hispaniola | Dominican Republic | 97%
|
| Hispaniola | Haiti | 97%
|
| Ireland | Ireland | 97%
|
| New Guinea | Papua New Guinea | 97%
|
| Borneo | Brunei | 95%
|
| Timor | East Timor | 94%
|
| Cyprus | Cyprus | 93%
|
| Saint Martin | France | 87%
|
| Saint Martin | Netherlands | 87%
|
| Isla Grande de Tierra del Fuego | Argentina | 86%
|
| Isla Grande de Tierra del Fuego | Chile | 85%
|
| Koiluoto** | Russia | 82%
|
| Dall* | United States | 80%
|
| Dall* | Canada | 77%
|
| Kataja**, Märket**, Koiluoto** | Finland | 71%
|
| Kataja**, Märket** | Sweden | 71%
|
| Usedom/Uznam | Germany | 62%
|
| Usedom/Uznam | Poland | 60%
|
| Passport Island* | Saudi Arabia | 40%
|
| Nova Zemlia/K** | Ukraine | 39%
|
| Passport Island* | Bahrain | 37%
|
| Nova Zemlia/K** | Romania | 34%
|