| Endonym | Exonym | % Correct | |
|---|---|---|---|
| United Kingdom | United Kingdom | 99%
| |
| Italia | Italy | 98%
| |
| Deutschland | Germany | 95%
| |
| France | France | 95%
| |
| España | Spain | 93%
| |
| Portugal | Portugal | 92%
| |
| Andorra | Andorra | 86%
| |
| Éire | Ireland | 85%
| |
| Lëtzebuerg | Luxembourg | 83%
| |
| Monaco | Monaco | 83%
| |
| Österreich | Austria | 83%
| |
| Suomi | Finland | 83%
| |
| San Marino | San Marino | 82%
| |
| Polska | Poland | 80%
| |
| România | Romania | 80%
| |
| Schweiz | Switzerland | 78%
| |
| Liechtenstein | Liechtenstein | 77%
| |
| België / Belgique | Belgium | 75%
| |
| Srbija | Serbia | 75%
| |
| Nederland | Netherlands | 72%
| |
| Ísland | Iceland | 69%
| |
| Norge | Norway | 69%
| |
| Belarus | Belarus | 67%
| |
| Ellada | Greece | 67%
| |
| Magyarország | Hungary | 67%
| |
| Moldova | Moldova | 66%
| |
| Sverige | Sweden | 65%
| |
| Danmark | Denmark | 62%
| |
| Malta | Malta | 62%
| |
| Hrvatska | Croatia | 60%
| |
| Eesti | Estonia | 59%
| |
| Civitas Vaticana | Vatican City | 52%
| |
| Rossija | Russia | 51%
| |
| Česko | Czechia | 42%
| |
| Slovenija | Slovenia | 40%
| |
| Crna Gora | Montenegro | 39%
| |
| Slovensko | Slovakia | 37%
| |
| Lietuva | Lithuania | 36%
| |
| Latvija | Latvia | 35%
| |
| Kosova | Kosovo | 34%
| |
| Severna Makedonija | North Macedonia | 31%
| |
| Shqipëri | Albania | 31%
| |
| Bosna i Hercegovina | Bosnia and Herzegovina | 26%
| |
| Ukrayina | Ukraine | 26%
| |
| Balgariya | Bulgaria | 17%
|