| Continent | Population | Answer | % Correct |
|---|---|---|---|
| Africa | 22,200,000 | Cairo | 95%
|
| North America | 9,900,000 | Chicago | 87%
|
| Oceania | 490,181 | Canberra | 77%
|
| Africa | 4,450,000 | Cape Town | 76%
|
| South America | 3,800,000 | Caracas | 76%
|
| Europe | 1,760,000 | Copenhagen | 67%
|
| Asia | 12,200,000 | Chennai | 63%
|
| Asia | 16,600,000 | Chéngdū | 62%
|
| Europe | 4,975,000 | Cologne-Dusseldorf | 62%
|
| Africa | 4,700,000 | Casablanca | 58%
|
| Oceania | 377,900 | Christchurch | 56%
|
| North America | 2,825,000 | Cincinnati | 53%
|
| South America | 2,925,000 | Cali | 52%
|
| North America | 3,100,000 | Cleveland | 52%
|
| Asia | 10,500,000 | Chóngqìng | 51%
|
| North America | 1,840,000 | Columbus | 48%
|
| South America | 1,770,000 | Córdoba | 47%
|
| Africa | 2,775,000 | Conakry | 46%
|
| South America | 3,550,000 | Curitiba | 43%
|
| Oceania | 155,638 | Cairns | 41%
|
| North America | 2,575,000 | Charlotte | 41%
|
| Europe | 581,618 | Cardiff | 36%
|
| Asia | 10,500,000 | Chángshā | 33%
|
| Europe | 532,513 | Chișinău | 32%
|
| Asia | 4,900,000 | Colombo | 27%
|
| Africa | 2,025,000 | Cotonou | 23%
|
| South America | 3,325,000 | Campinas | 22%
|
| Europe | 714,377 | Coventry / Nuneaton | 19%
|
| Asia | 4,900,000 | Chángchūn | 16%
|
| South America | 1,440,000 | Cochabamba | 13%
|
| North America | 1,600,000 | Ciudad Juárez | 12%
|
| Oceania | 344,951 | Central Coast | 8%
|
| Africa | 550,000 | Cabinda | 7%
|
| Europe | 497,807 | Cheboksary | 3%
|
| Oceania | 51,069 | Coffs Harbour | 2%
|