What is the world's largest church building by area?
St. Paul's Cathedral in London
St. Peter's Basilica in Rome
Saint Isaac's Cathedral in St Petersburgh
Basilica of the National Shrine of Our Lady of Aparecida
St. Peter's Basilica (15,160m²), Basilica of the National Shrine of Our Lady of Aparecida (12.000m²), St. Paul (7,875m²), St. Isaac's Cathedral (7,000 m²)
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Answers by country
St. Paul's Cathedral in London
St. Peter's Basilica in Rome
Saint Isaac's Cathedral in St Petersburgh
Basilica of the National Shrine of Our Lady of Aparecida
answers

13

20

105

26

147

522

54

18

13

38

145

77

18

2149

12

10