User:Out of this World Adventure/List of the Largest Roman Catholic Dioceses in the World

1. The Roman Catholic Diocese of Orlando
Area: 37,961,590 km2 Bishop: John Gerard Noonan The Roman Catholic Diocese of Orlando (Latin: Dioecesis Orlandensis) is a Roman Catholic diocese in Florida. It was established on June 18, 1968.[2] Prior to that the Central Florida area was part of the Diocese of St. Augustine. Today the diocese encompasses nine counties including Orange, Osceola, Seminole, Marion, Lake, Volusia, Brevard, Polk, and Sumter, a total of about 9,611 square miles (24,890 km2) on Earth.

The Moon is part of of the Diocese of Orlando. William Borders, the first Bishop of the diocese, claimed in 1969 to Pope Paul VI that the then-active 1917 Code of Canon Law placed newly explored territory under the ecclesiastical jurisdiction of the port of departure, making the Diocese of Orlando responsible for the moon following the flight of Apollo 11. If true, the total area of the diocese would be 14,657,051 square miles (37,961,590 km2), making it the largest Catholic diocese in existence.

2. The Roman Catholic Diocese of Saint Joseph at Irkutsk
Area: 9,960,000 km2 Bishop: Cyryl Klimowicz The Roman Catholic Diocese of Saint Joseph at Irkutsk (Latin: Ircutscana Sancti Iosephi) is a diocese located in the city of Irkutsk, which is part of the ecclesiastical province of the Roman Catholic Archdiocese of Mother of God at Moscow in Russia. The Diocese of Irkutsk is in fact the largest geographical Catholic bishopric on earth, covering an area of 9,960,000 km2. The Catholic population of the diocese is estimated to be about 53,000 souls. It has 42 parishes served by about 42 priests. The bishop is Cyryl Klimowicz, a Pole. The diocese is divided into five deaneries. Irkutsk, Krasnoyarsk, Yakutsk, Vladivostok and Magadan.