| Rank | Area (km²) | Countries | % Correct |
|---|---|---|---|
| 1 | 3,969,100 | Russia | 100%
|
| 2 | 603,628 | Ukraine | 99%
|
| 3 | 551,695 | France | 96%
|
| 4 | 498,511 | Spain | 95%
|
| 7 | 357,386 | Germany | 90%
|
| 5 | 450,295 | Sweden | 90%
|
| 8 | 338,145 | Finland | 89%
|
| 10 | 301,338 | Italy | 89%
|
| 6 | 385,178 | Norway | 89%
|
| 9 | 312,685 | Poland | 88%
|
| 11 | 242,495 | United Kingdom | 86%
|
| 12 | 238,397 | Romania | 84%
|
| 13 | 207,600 | Belarus | 82%
|
| 15 | 131,940 | Greece | 78%
|
| 14 | 110,994 | Bulgaria | 75%
|