| Population | Country | Answer | % Correct |
|---|---|---|---|
| 1,153,615 | Denmark | Copenhagen | 100%
|
| 963,395 | Germany | Cologne | 95%
|
| 447,287 | United Kingdom | Cardiff | 89%
|
| 635,994 | Moldova | Chisinau | 89%
|
| 328,428 | Spain | Cordoba | 72%
|
| 290,927 | Italy | Catania | 70%
|
| 316,748 | Romania | Cluj Napoca | 65%
|
| 359,262 | United Kingdom | Coventry | 63%
|
| 303,399 | Romania | Constanta | 52%
|
| 1,062,919 | Russia | Chelyabinsk | 51%
|
| 304,142 | Romania | Craiova | 39%
|
| 248,125 | Poland | Czestochowa | 32%
|
| 307,684 | Ukraine | Chernihiv | 29%
|
| 446,781 | Russia | Cheboksary | 26%
|
| 315,738 | Russia | Cherepovets | 22%
|
| 297,568 | Ukraine | Cherkasy | 22%
|