| Bordering Country | Country | % Correct |
|---|---|---|
| North Korea | South Korea | 99%
|
| United Kingdom | Ireland | 97%
|
| Spain | Portugal | 97%
|
| Dominican Republic | Haiti | 96%
|
| Italy | Vatican City | 96%
|
| United States | Canada | 95%
|
| Ireland | United Kingdom | 95%
|
| Haiti | Dominican Republic | 94%
|
| Italy | San Marino | 94%
|
| South Africa | Lesotho | 93%
|
| Germany | Denmark | 92%
|
| France | Monaco | 91%
|
| Indonesia | East Timor | 90%
|
| Saudi Arabia | Qatar | 89%
|
| Senegal | Gambia | 86%
|
| Indonesia | Papua New Guinea | 85%
|
| Malaysia | Brunei | 81%
|