| Borders | Bordering Letters | Country | % Correct |
|---|---|---|---|
| Azerbaijan | Belarus | China | Estonia | Finland | Georgia | Kazakhstan | Latvia | Lithuania | Mongolia | North Korea | Norway | Poland | Ukraine | 105 | Russia | 98%
|
| Afghanistan | Bhutan | India | Kazakhstan | Kyrgyzstan | Laos | Mongolia | Myanmar | Nepal | North Korea | Pakistan | Russia | Tajikistan | Vietnam | 107 | China | 96%
|
| Argentina | Bolivia | Colombia | France | Guyana | Paraguay | Peru | Suriname | Uruguay | Venezuela | 72 | Brazil | 85%
|
| Angola | Burundi | Central African Republic | Republic of the Congo | Rwanda | South Sudan | Tanzania | Uganda | Zambia | 89 | Democratic Republic of the Congo | 83%
|
| Austria | Belgium | Czech Republic | Denmark | France | Luxembourg | Netherlands | Poland | Switzerland | 78 | Germany | 83%
|
| Andorra | Belgium | Brazil | Germany | Italy | Luxembourg | Monaco | Spain | Suriname | Switzerland | 72 | France | 81%
|
| Angola | Cameroon | Central African Republic | Democratic Republic of the Congo | Gabon | 69 | Republic of the Congo | 77%
|
| Afghanistan | Armenia | Azerbaijan | Iraq | Pakistan | Turkey | Turkmenistan | 58 | Iran | 75%
|
| Bosnia and Herzegovina | Bulgaria | Croatia | Hungary | Kosovo | Montenegro | North Macedonia | Romania | 80 | Serbia | 68%
|
| Cameroon | Chad | Democratic Republic of the Congo | Republic of the Congo | South Sudan | Sudan | 73 | Central African Republic | 60%
|
| Czech Republic | Germany | Hungary | Italy | Liechtenstein | Slovakia | Slovenia | Switzerland | 72 | Austria | 58%
|
| Democratic Republic of the Congo | Kenya | Rwanda | South Sudan | Tanzania | 57 | Uganda | 57%
|
| Angola | Botswana | Democratic Republic of the Congo | Malawi | Mozambique | Namibia | Tanzania | Zimbabwe | 81 | Zambia | 55%
|
| Burundi | Democratic Republic of the Congo | Kenya | Malawi | Mozambique | Rwanda | Uganda | Zambia | 74 | Tanzania | 53%
|
| Algeria | Burkina Faso | Guinea | Ivory Coast | Mauritania | Niger | Senegal | 56 | Mali | 51%
|
| Central African Republic | Chad | Egypt | Eritrea | Ethiopia | Libya | South Sudan | 61 | Sudan | 51%
|
| Democratic Republic of the Congo | Namibia | Republic of the Congo | Zambia | 59 | Angola | 49%
|
| Central African Republic | Chad | Equatorial Guinea | Gabon | Nigeria | Republic of the Congo | 72 | Cameroon | 47%
|
| Central African Republic | Democratic Republic of the Congo | Ethiopia | Kenya | Sudan | Uganda | 74 | South Sudan | 47%
|
| Belarus | Czech Republic | Germany | Lithuania | Russia | Slovakia | Ukraine | 57 | Poland | 45%
|