| Country | Starts | Place | Ends | Population | % Correct |
|---|---|---|---|---|---|
| Egypt | C | Cairo | O | 20.4m | 99%
|
| South Africa | C | Cape Town | N | 4.5m | 94%
|
| India | C | Chennai | I | 10.7m | 83%
|
| Guinea | C | Conakry | Y | 1.9m | 82%
|
| UK | C | Cardiff | F | 474k | 78%
|
| China | C | Chengdu | U | 8.9m | 70%
|
| China | C | Chongqing | G | 15.3m | 65%
|
| Romania | C | Cluj | J | 307k | 62%
|
| USA | C | Cleveland | D | 380k | 57%
|
| Russia | C | Chelyabinsk | K | 1.2m | 53%
|
| China | C | Changsha | A | 4.4m | 42%
|
| Brazil | C | Campinas | S | 3.2m | 38%
|
| Germany | C | Chemnitz | Z | 247k | 35%
|
| India | C | Coimbatore | E | 2.7m | 29%
|
| India | C | Chandigarh | H | 1.1m | 25%
|
| Ukraine | C | Chernihiv | V | 308k | 12%
|
| Poland | C | Chorzow | W | 113k | 9%
|
| Australia | C | Central Coast | T | 333k | 8%
|
| Nigeria | C | Calabar | R | 554k | 6%
|
| Czechia | C | Cheb | B | 113k | 5%
|
| Uzbekistan | C | Chirchiq | Q | 167k | 4%
|
| France | C | Chateauroux | X | 53k | 3%
|
| Turkey | C | Corum | M | 184k | 3%
|
| Vietnam | C | Can Giuoc | C | 152k | 1%
|
| Brazil | C | Caxias do Sul | L | 478k | 1%
|
| Indonesia | C | Citeureup | P | 110k | 1%
|