10 Largest Churches In The World 

10. Ulm Minster, Ulm, Germany, 8260 square meters

9. Basilica Of Our Lady Of Pillar, Aragon, Spain, 8318 square meters

8. Church Of The Holy Trinity, Santarem, Portugal, 8700 square meters

7. Liverpool Cathedral, Liverpool, United Kingdom, 9687 square meters

6. Basilica Of Our Lady Of Lichen, Konin, Poland, 10090 square meters

5. Milan Cathedral, Milan, Italy, 10186 square meters

4. Cathedral Of Saint John The Divine, New York, United States, 11200 square meters

3. Seville Cathedral, Seville, Spain, 11520 square meters

2. Basilica Of The National Shrine Of Our Lady Of Aparecida, Aparecida, Brazil, 12000 square meters

1. St.Peter’s Basilica, Vatican City, 15160 square meters