| Country | Border | % Correct |
|---|---|---|
| Democratic Republic of the Congo | Zambia | Angola | 100%
|
| Tanzania | Zambia | Democratic Republic of the Congo | 100%
|
| Brazil | Germany | France | 100%
|
| Austria | France | Germany | 100%
|
| Austria | Serbia | Hungary | 100%
|
| Turkey | Iran | 100%
|
| Austria | France | Italy | 100%
|
| China | Russia | Kazakhstan | 100%
|
| China | Laos | 100%
|
| Austria | Liechtenstein | 100%
|
| China | Russia | Mongolia | 100%
|
| China | Russia | North Korea | 100%
|
| Democratic Republic of the Congo | Republic of the Congo | 100%
|
| Austria | France | Germany | Switzerland | 100%
|
| China | Vietnam | 100%
|
| China | Afghanistan | 92%
|
| France | Andorra | 92%
|
| France | Germany | Belgium | 92%
|
| China | Bhutan | 92%
|
| Zambia | Botswana | 92%
|
| France | Brazil | 92%
|
| Austria | Germany | Czech Republic | 92%
|
| Turkey | Greece | 92%
|
| China | India | 92%
|
| Tanzania | Kenya | 92%
|
| China | Kyrgyzstan | 92%
|
| France | Monaco | 92%
|
| Tanzania | Zambia | Mozambique | 92%
|
| China | Myanmar | 92%
|
| China | Nepal | 92%
|
| Germany | Netherlands | 92%
|
| Serbia | North Macedonia | 92%
|
| China | Pakistan | 92%
|
| Germany | Russia | Poland | 92%
|
| Serbia | Romania | 92%
|
| China | Russia | 92%
|
| Austria | Slovakia | 92%
|
| Austria | Slovenia | 92%
|
| France | Spain | 92%
|
| Turkey | Syria | 92%
|
| Brazil | Argentina | 85%
|
| Turkey | Armenia | 85%
|
| Russia | Turkey | Azerbaijan | 85%
|
| Russia | Belarus | 85%
|
| Brazil | Bolivia | 85%
|
| Serbia | Bosnia and Herzegovina | 85%
|
| Serbia | Turkey | Bulgaria | 85%
|
| Democratic Republic of the Congo | Tanzania | Burundi | 85%
|
| Brazil | Colombia | 85%
|
| Serbia | Croatia | 85%
|
| Germany | Denmark | 85%
|
| Russia | Estonia | 85%
|
| Russia | Finland | 85%
|
| Russia | Turkey | Georgia | 85%
|
| Brazil | Guyana | 85%
|
| Turkey | Iraq | 85%
|
| Serbia | Kosovo | 85%
|
| Russia | Latvia | 85%
|
| Russia | Lithuania | 85%
|
| France | Germany | Luxembourg | 85%
|
| Tanzania | Zambia | Malawi | 85%
|
| Serbia | Montenegro | 85%
|
| Zambia | Namibia | 85%
|
| Brazil | Paraguay | 85%
|
| Brazil | Peru | 85%
|
| Democratic Republic of the Congo | Tanzania | Rwanda | 85%
|
| Brazil | France | Suriname | 85%
|
| China | Tajikistan | 85%
|
| Democratic Republic of the Congo | Zambia | Tanzania | 85%
|
| Democratic Republic of the Congo | Tanzania | Uganda | 85%
|
| Russia | Ukraine | 85%
|
| Brazil | Uruguay | 85%
|
| Brazil | Venezuela | 85%
|
| Zambia | Zimbabwe | 85%
|
| Germany | Austria | 77%
|
| Russia | Norway | 77%
|
| Democratic Republic of the Congo | Tanzania | Zambia | 77%
|
| Democratic Republic of the Congo | Central African Republic | 69%
|
| Russia | China | 69%
|
| Democratic Republic of the Congo | Sudan | 69%
|