| Pair | Notes | Countries | % Correct |
|---|---|---|---|
| Asian Himalayan nations | Bhutan / Nepal | 100%
| |
| Countries with capitals across a river in South America | "river" used loosely | Argentina / Uruguay | 91%
|
| Share a Caribbean island | Dominican Republic / Haiti | 91%
| |
| Independent "Guyanas" | Guyana / Suriname | 91%
| |
| Surrounded by exactly one Western European nation | no sea borders | San Marino / Vatican City | 91%
|
| Share a European island | United Kingdom / Ireland | 91%
| |
| Asian peninsular nations | North Korea / South Korea | 82%
| |
| Surrounded by exactly two Western European nations | no sea borders | Andorra / Liechtenstein | 73%
|
| Similar-shaped, bordering "tall" countries in Africa | Benin / Togo | 73%
| |
| Countries in East Asia compete for recognition | only one is in the UN | China / Taiwan | 73%
|
| Countries in West Asia compete for recognition | only one is in the UN | Israel / Palestine | 73%
|
| Countries with dependent "Guyanas" | on their mainland | Brazil / Venezuela | 64%
|
| Similar shaped, bordering "compact" countries in Africa | Burundi / Rwanda | 64%
| |
| Countries with capitals across a river in Africa | Dem. Rep. of the Congo / Rep. of the Congo | 55%
| |
| Australia dependencies with a population of less than 2,000 | not sovereign states | Christmas Island / Cocos (Keeling) Islands | 36%
|
| New Zealand dependences with a population of less than 2,000 | not sovereign states | Niuē / Tokelau | 27%
|