| # | Population | Country | Answer | % Correct |
|---|---|---|---|---|
| 2 | 1,750,000 | Denmark | Copenhagen | 99%
|
| 1 | 4,975,000 | Germany | Cologne-Dusseldorf | 98%
|
| 5 | 532,513 | Moldova | Chișinău | 92%
|
| 4 | 593,025 | United Kingdom | Cardiff | 79%
|
| 9 | 324,700 | Romania | Cluj-Napoca | 63%
|
| 3 | 695,732 | United Kingdom | Coventry-Nuneaton | 63%
|
| 10 | 316,807 | Spain | Córdoba | 62%
|
| 13 | 290,454 | Belgium | Charleroi | 52%
|
| 12 | 298,324 | Italy | Catania | 51%
|
| 17 | 269,700 | Romania | Constanța | 40%
|
| 7 | 441,600 | Germany | Chemnitz | 32%
|
| 14 | 282,747 | Ukraine | Chernihiv | 21%
|
| 15 | 273,443 | France | Clermont-Ferrand | 20%
|
| 6 | 497,807 | Russia | Cheboksary | 16%
|
| 16 | 269,836 | Ukraine | Cherkasy | 16%
|
| 18 | 264,298 | Ukraine | Chernivtsi | 14%
|
| 8 | 337,882 | Spain | Castellón-Villarreal | 13%
|
| 11 | 305,185 | Russia | Cherepovets | 8%
|