| Country | Border | % Correct |
|---|---|---|
| Andorra | France | 100%
|
| Belgium | Netherlands | 94%
|
| Bosnia and Herzegovina | Croatia | 91%
|
| Monaco | France | 91%
|
| Lithuania | Latvia | 91%
|
| France | Belgium | 89%
|
| Latvia | Estonia | 89%
|
| Norway | Finland | 89%
|
| Czech Republic | Germany | 89%
|
| Netherlands | Germany | 89%
|
| Belarus | Lithuania | 89%
|
| Bulgaria | Romania/Serbia | 89%
|
| Austria | Czech Republic | 87%
|
| Germany | Denmark | 87%
|
| Albania | Montenegro | 87%
|
| Finland | Norway | 87%
|
| Estonia | Russia | 87%
|
| Kosovo | Serbia | 87%
|
| Portugal | Spain | 87%
|
| Ireland | United Kingdom | 87%
|
| Italy | Austria | 85%
|
| Liechtenstein | Austria/Switzerland | 85%
|
| Luxembourg | Belgium | 85%
|
| Denmark | Germany | 85%
|
| Croatia | Slovenia | 85%
|
| Moldova | Ukraine | 85%
|
| San Marino | Italy | 83%
|
| Vatican City | Italy | 83%
|
| Poland | Russia | 83%
|
| Montenegro | Bosnia and Herzegovina | 81%
|
| Spain | France | 81%
|
| United Kingdom | Ireland | 81%
|
| Russia | Norway | 81%
|
| Macedonia | Serbia | 81%
|
| Sweden | Finland/Norway | 80%
|
| Switzerland | Germany | 80%
|
| Ukraine | Russia | 78%
|
| Hungary | Slovakia | 76%
|
| Greece | Turkey | 76%
|
| Slovakia | Poland | 74%
|
| Romania | Moldova | 72%
|
| Slovenia | Hungary | 70%
|
| Serbia | Hungary | 69%
|