| Former | Current | % Correct | |
|---|---|---|---|
| B | Peking | Beijing | 97%
|
| I | Constantinople | Istanbul | 97%
|
| L | Londinium | London | 95%
|
| M | Bombay | Mumbai | 95%
|
| S | Leningrad | St. Petersburg | 95%
|
| D | Zaire | D.R. Congo | 94%
|
| Z | Northern Rhodesia | Zambia | 92%
|
| T | Edo | Tokyo | 89%
|
| E | Swaziland | Eswatini | 88%
|
| H | Saigon | Ho Chi Minh City | 88%
|
| R | Moldavia and Wallachia | Romania | 88%
|
| C | Kampuchea | Cambodia | 86%
|
| Q | San Francisco de Quito | Quito | 83%
|
| G | Gold Coast | Ghana | 79%
|
| P | Spanish East Indies | Philippines | 78%
|
| F | West Francia | France | 75%
|
| O | Christiania | Oslo | 74%
|
| J | Batavia | Jakarta | 73%
|
| K | Königsberg | Kaliningrad | 73%
|
| X | Sian | Xi'an | 70%
|
| Y | Rangoon | Yangon | 70%
|
| N | Astana | Nur-Sultan | 69%
|
| V | New Hebrides | Vanuatu | 60%
|
| U | Trucial States | United Arab Emirates | 52%
|
| W | Yongjia | Wenzhou | 11%
|
| A | Icosium | Algiers | 10%
|