| Name |
Built |
Area (m2) |
Country |
| St. Peter's Basilica |
1506–1626 |
15,160 (interior)
21,095 (exterior) |
Vatican City |
| Basilica of the National Shrine of Our Lady of Aparecida |
1955–1980 |
12,000 |
Brazil |
| Milan Cathedral |
1386–1965 |
11,700 (interior) |
Italy |
| Seville Cathedral |
1401–1528 |
11,520 |
Spain |
| Cathedral of Saint John the Divine |
1892–present |
11,200 |
United States |
| Abbey of Santa Giustina |
1501–1606 |
9,717 (interior) |
Italy |
| Basilica of Our Lady of Licheń |
1994–2004 |
10,090 |
Poland |
| Liverpool Cathedral |
1904–1978 |
9,687 |
United Kingdom |
| Church of the Most Holy Trinity |
2004-07 |
8,700 |
Portugal |
| Basilica of Saint Paul Outside the Walls |
IV–1823 |
8,515 |
Italy |
| Basilica-Cathedral of Our Lady of the Pillar |
1681–1872 |
8,318 |
Spain |
| Florence Cathedral |
1296–1436 |
8,300 |
Italy |
| Ulm Minster |
1377–1890 |
8,260 (6,029 interior) |
Germany |
| Basilica of the Sacred Heart |
1905–70 |
8,000 |
Belgium |
| Basilica of Our Lady of Guadalupe |
1974–1976 |
8,167 |
Mexico |
| Cathedral of Our Lady |
1352–1521 |
8,000 |
Belgium |
| Rio de Janeiro Cathedral |
1964-1979 |
8,000 |
Brazil |
| Basilica of Our Lady of Peace |
1985–1990 |
7,989 (interior)
30,000 (exterior) |
Ivory Coast |
| Hagia Sophia |
532–537 |
7,960 |
Turkey |
| San Petronio Basilica |
1390–1479 |
7,920 |
Italy |
| Cologne Cathedral |
1248–1880 |
7,914 |
Germany |
| St Paul's Cathedral |
1677–1708 |
7,875 |
United Kingdom |
| Washington National Cathedral |
1907–1990 |
7,712 |
United States |
| Amiens Cathedral |
1220–70 |
7,700 |
France |
| Basilica of the National Shrine of the Immaculate Conception |
1919–61 |
7,097 (interior)
12,069 (exterior) |
United States |
| Cathedral of La Plata |
1884-1932 |
6,968 |
Argentina |
| Saint Joseph's Oratory |
1904–67 |
6,825 |
Canada |
| Mexico City Metropolitan Cathedral |
1573-1813 |
6,732 |
Mexico |
| Palma Cathedral |
1220-1346 |
6,655 |
Spain |
| Reims Cathedral |
1211–1275 |
6,650 |
France |
| Strasbourg Cathedral |
1015–1439 |
6,044 |
France |
| Cathedral of Our Lady of the Angels |
1998–2002 |
6,038 |
United States |
| De Hoeksteen, Barneveld |
2007–08 |
6,020 |
Netherlands |
| Padre Pio Pilgrimage Church |
1991-2004 |
6,000 |
Italy |
| Bourges Cathedral |
1195-1230 |
5,900 |
France |
| Esztergom Basilica |
1822–1869 |
5,660 |
Hungary |
| Notre Dame de Paris |
1163–1345 |
5,500 |
France |
| Sagrada Familia |
1882–present |
5,400 |
Spain |
| São Paulo Cathedral |
1913-1954 |
5,300 |
Brazil |
| Primate Cathedral of Bogotá |
1807-23 |
5,300 |
Colombia |
| Cathedral of Christ the Saviour |
1839–83 |
5,240 |
Russia |
| Chartres Cathedral |
1145-1220 |
5,200 |
France |
| New Cathedral, Linz |
1862–1924 |
5,170 |
Austria |
| Westminster Cathedral |
1895–1910 |
5,017 |
United Kingdom |
| St. Mary's Church |
1343–1502 |
5,000 |
Poland |
| Holy Trinity Cathedral |
1995–2004 |
5,000 |
Georgia |
| Winchester Cathedral |
1079–1525 |
4,968 |
United Kingdom |
| Dresden Cathedral |
1739-55 |
4,800 |
Germany |
| Basilica of St. Thérèse, Lisieux |
1929-54 |
4,500 |
France |
| Basilica de San Martin de Tours (Taal) |
1856–78 |
4,320 |
Philippines |
| Ely Cathedral, Cambridgeshire |
1083–1375 |
4,273 |
United Kingdom |
| Frauenkirche |
1468–1525 |
4,188 |
Germany |
| Cathedral Basilica of Saint Louis (St. Louis) |
1907-14 |
4,130 |
United States |
| Saint Isaac's Cathedral |
1818–58 |
4,000 |
Russia |
| Saint Gregory the Illuminator Cathedral, Yerevan |
1997–2001 |
3,822 |
Armenia |
| Church of Saint Sava |
1935–89 |
3,500 |
Serbia |
| Alexander Nevsky Cathedral |
1882–1912 |
3,170 |
Bulgaria |
| Westminster Abbey |
960-18c |
2,972 |
United Kingdom |
| Medak Cathedral |
1914–26 |
2,800 |
India |
| Our Lady of Dolours Syro-Malabar Catholic Basilica |
1929-2005 |
2,300 |
India |
| Basilica of St. John the Baptist |
1839–1855 |
2,135 |
Canada |
| Myeongdong Cathedral |
1892-1898 |
2,025 |
Korea |
| All Saints Cathedral, Halifax |
1907–1910 |
1,760 |
Canada |