| City | Population | % Correct |
|---|---|---|
| Copenhagen | 763 908 | 98%
|
| Cologne | 1 081 701 | 94%
|
| Chisinau | 635 994 | 93%
|
| Cork | 125 622 | 92%
|
| Cardiff | 358 500 | 87%
|
| Cagliari | 154 224 | 80%
|
| Catania | 313 396 | 78%
|
| Córdoba | 326 609 | 71%
|
| Cluj-Napoca | 316 748 | 70%
|
| Cádiz | 118 919 | 66%
|
| Charleroi | 201 761 | 65%
|
| Cambridge | 131 800 | 64%
|
| Coventry | 352 900 | 64%
|
| Constanța | 303 399 | 61%
|
| Caen | 106 538 | 59%
|
| Chemnitz | 248 645 | 56%
|
| Coímbra | 143 396 | 51%
|
| Clermont-Ferrand | 141 365 | 49%
|
| Colchester | 121 859 | 45%
|
| Cartagena | 214 759 | 42%
|
| Craiova | 269 506 | 38%
|
| Castellón de la Plana | 170 990 | 34%
|
| Częstochowa | 242 300 | 34%
|
| Chelmsford | 111 511 | 30%
|
| Chernihiv | 294 522 | 30%
|
| Crawley | 111 400 | 25%
|
| Cherkasy | 281 549 | 23%
|
| Chernivtsi | 265 064 | 22%
|
| Chórzow | 109 541 | 22%
|
| Cherepovets | 318 536 | 16%
|