| Years | Countries | Member countries bordered | % Correct |
|---|---|---|---|
| 1981 - | Albania | Greece | 100%
|
| 1995 - 2004 | Slovakia | Austria | 100%
|
| 1958 - | Andorra | France, Spain | 90%
|
| 1958 - 1995 | Austria | Czechia, Germany, Hungary, Italy, Slovakia, Slovenia | 90%
|
| 2004 - | Belarus | Latvia, Lithuania, Poland | 90%
|
| 2013 - | Bosnia and Herzegovina | Croatia | 90%
|
| 1981 - 2007 | Bulgaria | Greece | 90%
|
| 2004 - 2013 | Croatia | Hungary, Slovenia | 90%
|
| 1958 - | Monaco | France | 90%
|
| 2013 - | Montenegro | Croatia | 90%
|
| 1991 - | North Macedonia | Bulgaria, Greece | 90%
|
| 1995 - | Norway | Finland, Sweden | 90%
|
| 1990 - 2004 | Poland | Germany | 90%
|
| 2004 - 2007 | Romania | Hungary | 90%
|
| 1995 - | Russia | Estonia, Finland, Latvia, Lithuania, Norway, Poland | 90%
|
| 1958 - | San Marino | Italy | 90%
|
| 2006 - | Serbia | Bulgaria, Croatia, Hungary, Romania | 90%
|
| 1991 - 2004 | Slovenia | Austria, Italy | 90%
|
| 1958 - | Switzerland | France, Germany, Italy | 90%
|
| 2020 - | United Kingdom | Ireland | 90%
|
| 1958 - | Vatican City | Italy | 90%
|
| 1958 - | Brazil | France | 80%
|
| 1993 - 2004 | Czechia | Germany | 80%
|
| 1958 - 1973 | Denmark | West Germany | 80%
|
| 1958 - 1990 | East Germany | West germany | 80%
|
| 1995 - 2004 | Hungary | Austria | 80%
|
| 1995 - | Liechtenstein | Austria | 80%
|
| 2007 - | Moldova | Romania | 80%
|
| 1958 - 1962, 1986 - | Morocco | France, Spain | 80%
|
| 1981 - | Turkiye | Bulgaria, Greece | 80%
|
| 2004 - | Ukraine | Hungary, Poland, Romania, Slovakia | 80%
|
| 1958 - 1962 | Libya | France | 70%
|
| 1958 - 1986 | Spain | France | 70%
|
| 1958 - 1962 | Tunisia | France | 70%
|
| 1958 - 1991 | Yugoslavia | Italy | 70%
|
| 1958 - 1993 | Czechoslovakia | Germany, West Germany | 60%
|
| 1960 - 1962 | Mali | France | 60%
|
| 1960 - 1962 | Niger | France | 60%
|
| 1975 - | Suriname | France | 60%
|
| 1960 - 1962 | Mauritania | France | 50%
|
| 2004 - 2006 | Serbia and Montenegro | Hungary | 50%
|