| Interior area in m2 | Country | Answer | % Correct |
|---|---|---|---|
| 15,160 | Vatican City | St. Peter's Basilica | 92%
|
| 11,700 | Italy | Milan Cathedral | 16%
|
| 7,914 | Germany | Cologne Cathedral | 12%
|
| 8,300 | Italy | Florence Cathedral | 12%
|
| 11,520 | Spain | Seville Cathedral | 8%
|
| 7,440 | Czech Republic | St. Vitus Cathedral | 8%
|
| 7,700 | France | Amiens Cathedral | 4%
|
| 8,000 | Belgium | Basilica of the Sacred Heart | 4%
|
| 8,000 | Belgium | Cathedral of Our Lady | 4%
|
| 8,700 | Portugal | Church of the Most Holy Trinity | 4%
|
| 7,700 | Italy | Abbey of Santa Giustina | 0%
|
| 8,318 | Spain | Basilica-Cathedral of Our Lady of the Pillar | 0%
|
| 8,167 | Mexico | Basilica of Our Lady of Guadalupe | 0%
|
| 10,090 | Poland | Basilica of Our Lady of Licheń | 0%
|
| 7,989 | Cote d'ivoire | Basilica of Our Lady of Peace | 0%
|
| 8,515 | Italy | Basilica of Saint Paul Outside the Walls | 0%
|
| 12,000 | Brazil | Basilica of the National Shrine of Our Lady of Aparecida | 0%
|
| 7,097 | United States | Basilica of the National Shrine of the Immaculate Conception | 0%
|
| 8,000 | Brazil | Rio de Janeiro Cathedral | 0%
|
| 7,920 | Italy | San Petronio Basilica | 0%
|