| Rank | Population | Country | Hints | City | % Correct |
|---|---|---|---|---|---|
| 1 | 2'590'000 | Ukraine | Maidan | Kiev | 95%
|
| 4 | 740'000 | Poland | Second-biggest city | Kraków | 89%
|
| 10 | 425'000 | Russia | Exclave | Kaliningrad | 67%
|
| 18 | 266'000 | United Kingdom | Long form of Hull | Kingston upon Hull | 62%
|
| 2 | 1'494'000 | Ukraine | Assumption cathedral | Kharkov | 60%
|
| 11 | 414'000 | Lithuania | Laisves aleja | Kaunas | 57%
|
| 13 | 344'000 | Poland | Main city in Upper Silesia | Katowice | 56%
|
| 6 | 658'000 | Moldova | Capital | Kishinev | 55%
|
| 3 | 1'092'000 | Russia | Kremlin (not that one which is in Moscow) | Kazan | 53%
|
| 23 | 234'000 | Germany | Sailing events | Kiel | 50%
|
| 7 | 640'000 | Russia | Kuban River | Krasnodar | 43%
|
| 16 | 277'000 | Germany | Seat of Federal Constitutional Court | Karlsruhe | 42%
|
| 20 | 242'000 | Slovakia | European Capital of Culture 2013 | Kosice | 41%
|
| 9 | 440'000 | Russia | A famous sunken submarine | Kursk | 35%
|
| 25 | 202'000 | Lithuania | Largest port of Lithuania | Klaipeda | 26%
|
| 26 | 196'000 | Germany | Bergpark Wilhelmshöhe | Kassel | 24%
|
| 12 | 354'000 | Ukraine | Office of Presidential representative of Ukraine in Crimea | Kherson | 22%
|
| 8 | 466'000 | Russia | Formerly known as Vyatka | Kirov | 22%
|
| 5 | 705'000 | Ukraine | Uranium | Kryvyi Rih | 19%
|
| 30 | 167'000 | Ukraine / Russia | On Crimea | Kerch | 17%
|
| 29 | 181'000 | Serbia | First capital of modern Serbia | Kragujevac | 16%
|
| 21 | 241'000 | Germany | Velvet and Silk City | Krefeld | 15%
|
| 24 | 212'000 | Poland | Limestone mining | Kielce | 13%
|
| 15 | 287'000 | Russia | Golden Ring | Kostroma | 12%
|
| 14 | 339'000 | Russia | Cradle of the Russian astronautics | Kaluga | 11%
|
| 28 | 187'000 | Ukraine | In the Donbass | Kramatorsk | 8%
|
| 22 | 238'000 | Ukraine | KrAZ | Kremenchuk | 8%
|
| 17 | 267'000 | Ukraine | Church of the Nativity of the Theotokos | Kirovograd | 7%
|
| 19 | 258'000 | Ukraine | River Bug | Khmelnitsky | 4%
|
| 27 | 190'000 | Russia | Balloon flights | Kamensk-Uralsky | 2%
|