| Second Letter | Answer | % Correct |
|---|---|---|
| O | Bogotá | Boston | Bordeaux | Bobo-Dioulasso | 100%
|
| E | Belo Horizonte | Berlin | Belém | Beirut | Benin City | 91%
|
| R | Brasília | Brisbane | Brussels | Brazzaville | 91%
|
| A | Bangkok | Baghdad | Bandung | Bamako | Barcelona | 88%
|
| U | Buenos Aires | Busan | Budapest | Bucharest | Bursa | 88%
|
| I | Birmingham | Bishkek | Bielefeld | 81%
|