| Borders | Country | % Correct |
|---|---|---|
| Russia, Lithuania, Estonia | Latvia | 100%
|
| Saudi Arabia, Yemen, United Arab Emirates | Oman | 100%
|
| Chile, Bolivia, Paraguay, Brazil, Uruguay | Argentina | 95%
|
| Indonesia | East Timor | 95%
|
| Denmark, Netherlands, Belgium, Luxembourg, France, Switzerland, Austria, Czech Republic, Poland | Germany | 95%
|
| Venezuela, Suriname, Brazil | Guyana | 95%
|
| Indonesia | Papua New Guinea | 95%
|
| Mexico, Guatemala | Belize | 90%
|
| Croatia, Serbia, Montenegro | Bosnia and Herzegovina | 90%
|
| Algeria, Mali, Senegal, Morocco | Mauritania | 90%
|
| Bulgaria, Greece, Serbia, Kosovo, Albania | North Macedonia | 90%
|
| Bulgaria, Greece, Armenia, Azerbaijan, Georgia, Syria, Iraq | Turkey | 90%
|
| Cameroon, Gabon | Equatorial Guinea | 85%
|
| Romania, Ukraine | Moldova | 85%
|
| Zambia, Tanzania, Mozambique | Malawi | 80%
|
| Sierra Leone, Guinea, Côte d'Ivoire (Ivory Coast) | Liberia | 75%
|