| Category | Capitals | % Correct |
|---|---|---|
| Most populous urban area | Moscow | London | 98%
|
| Most international tourists (2019) | London | Paris | 97%
|
| Northernmost | Reykjavík | Helsinki | 97%
|
| Westernmost | Reykjavík | Lisbon | 96%
|
| Easternmost | Moscow | Kyiv | 95%
|
| Southernmost | Valletta | Athens | 94%
|
| Most billionaires | Moscow | London | 93%
|
| Highest population in 1 A.D. | Rome | Athens | 90%
|
| Height of tallest building | Moscow | London | 87%
|
| Smallest population | Vatican City | San Marino | 85%
|
| Last alphabetically | Zagreb | Warsaw | 83%
|
| Least precipitation | Athens | Madrid | 78%
|
| First alphabetically | Amsterdam | Andorra la Vella | 77%
|
| Winter Olympics host | Sarajevo | Oslo | 73%
|
| Lowest elevation | Amsterdam | Monaco | 71%
|
| Highest Turkish-speaking population | Berlin | Paris | 70%
|
| Closest to the Black Sea | Chișinău | Bucharest | 67%
|
| Highest elevation | Andorra la Vella | Madrid | 60%
|
| Highest percent Muslim | Pristina | Sarajevo | 59%
|
| Longest single-word name | Copenhagen | Luxembourg | Bratislava | 54%
|