| # | Population | Country | Answer | % Correct |
|---|---|---|---|---|
| 1 | 3.475,000 | Ukraine | Kiev | 100%
|
| 6 | 800,653 | Poland | Kraków | 98%
|
| 3 | 1,600,000 | Ukraine | Kharkiv | 84%
|
| 2 | 2,250,000 | Poland | Katowice | 78%
|
| 4 | 1,570,000 | Russia | Kazan | 69%
|
| 17 | 298,753 | Lithuania | Kaunas | 67%
|
| 16 | 325,300 | Germany | Kiel | 61%
|
| 5 | 1,099,344 | Russia | Krasnodar | 61%
|
| 20 | 226,212 | Slovakia | Košice | 54%
|
| 12 | 397,234 | United Kingdom | Kingston upon Hull | 51%
|
| 9 | 490,449 | Russia | Kaliningrad | 50%
|
| 8 | 506,600 | Germany | Karlsruhe | 47%
|
| 14 | 340,200 | Germany | Kassel | 34%
|
| 11 | 440,052 | Russia | Kursk | 33%
|
| 7 | 603,904 | Ukraine | Kryvyi Rih | 26%
|
| 10 | 468,212 | Russia | Kirov | 24%
|
| 13 | 350,000 | Germany | Koblenz - Neuwied | 23%
|
| 15 | 337,058 | Russia | Kaluga | 15%
|
| 18 | 267,481 | Russia | Kostroma | 13%
|
| 19 | 226,845 | Ukraine | Kamianske | 3%
|