Opera House | Opera House | United States, Wyoming, Wyoming | -- | -- | | | |
Opole | Opole | Poland, Opole | -- | -- | | | |
Obârşia | Obârşia | Romania, Obârşia | -- | -- | | | |
Olivenza | Olivenza | Spain, Olivenza | -- | -- | | | |
Oravice | Oravice | Slovak Republic, Oravice | -- | -- | | | |
Ocna Sibiului | Ocna Sibiului | Romania, Ocna Sibiului | -- | -- | | | |
Osimo | Osimo | Italy | -- | -- | | | |
Ornans | Ornans | France, Ornans | -- | -- | | | |
Oppdal | Oppdal | Norway, Oppdal | -- | -- | | | |
Odessa | Одеса (Odessa) | Ukraine, Odessa | -- | -- | | | |
Ogra | Ogra | Romania, Ogra | -- | -- | | | |
Oddfellows' Hall | Oddfellows' Hall | Australia, Wagga Wagga, Fitzmaurice Street | -- | -- | | | |
Oranienburg | Oranienburg | Germany, Oranienburg | -- | -- | | | |
Odder | Odder | Denmark, Odder | -- | -- | | | |
Oulu | Oulu | Finland, Oulu | -- | -- | | | |
Ostróg | Ostróg | Poland, Ostróg | -- | -- | | | |
Oituz | Oituz | Romania, Oituz | -- | -- | | | |
Ornö | Ornö | Sweden, Ornö | -- | -- | | | |
Opera House | Opera House | United States, Telluride | -- | -- | | | |
Ostrava | Ostrava | Czech Republic, Ostrava | -- | -- | | | |
Örkény István Színház | Örkény István Színház | Hungary, Budapest, Madách Imre tér 6 | 2012-03-17 | -- | 2012 | 1 | |
Operettenhaus | Operettenhaus | Germany, Düsseldorf, Jahnstraße | 1952-11-01 | -- | 1952 | 1 | |
Opera House | Opera House | United States, Altoona | 1904-03-14 | 1904-03-14 | 1904 | 1 | |
Opera House | Opera House | United States, Racine | 1903-05-06 | 1903-05-06 | 1903 | 1 | |
Orleneff’s Russian Lyceum | Orleneff’s Russian Lyceum | United States, New York, East Third Street | 1906-01-03 | -- | 1906 | 1 | |
Ouagadougou, Carrefour Internationale de Théâtre de Ouagadougou | Carrefour Internationale de Théâtre de Ouagadougou | Burkina Faso, Bilbalogho, Ouagadougou, Burkina Faso | 2002-07-13 | -- | 2002 | 1 | |
Oxfordshire | Oxfordshire | England | 2020-05-08 | -- | 2020 | 1 | |
Opština Bečej | Opština Bečej | Serbia, Opština Bečej | 1903-03-11 | -- | 1903 | 1 | |
Officina Giovani - Cantieri Culturali Ex Macelli | Officina Giovani - Cantieri Culturali Ex Macelli | Italy, Prato, Piazza Macelli, 4 | 2007-04-21 | -- | 2007 | 1 | |
Osnabrücker Hof | Osnabrücker Hof | Germany, Osnabrück, Kollegienwall 14 | 1896-05-13 | -- | 1896 | 1 | |
Ostseebad Göhren | Ostseebad Göhren | Germany, Göhren | 2010-05-04 | -- | 2010 | 1 | |
Ovågen | Ovågen | Norway, Øygarden | 2005-09-04 | -- | 2005 | 1 | |
Odenkirchen | Odenkirchen | Germany, Odenkirchen | 1893-10-07 | -- | 1893 | 1 | |
Överkalix Folkets Hus | Överkalix Folkets Hus | Sweden, Överkalix, Bulandsgatan 2 | 2010-11-16 | -- | 2010 | 1 | |
Opéra Orchestre national Montpellier Occitanie | Opéra Orchestre national Montpellier Occitanie | France, Montpellier, 11 Boulevard Victor Hugo | 2018-01-12 | 2018-01-13 | 2018 | 1 | |
Ontmoetingscentrum 't Waaigat | Ontmoetingscentrum 't Waaigat | Belgium, Zwijndrecht, Kerkplein 1 | 2003-05-06 | 2003-05-06 | 2003 | 1 | |
Oslo dagene, Akershus Festning | Oslo dagene, Akershus Festning | Norway, Oslo | 1983-08-29 | 1983-09-03 | 1983 | 1 | |
O'Reilly Theatre | O'Reilly Theatre | Ireland, Dublin, Great Denmark Street | 2011-09-27 | 2011-10-16 | 2011 | 1 | |
Orpheum Theatre | Orpheum Theatre | United States, Salt Lake City | 1908-06-13 | 1908-06-13 | 1908 | 1 | |
Ottumwa | Ottumwa | United States, Ottumwa | 1903-11-04 | 1903-11-04 | 1903 | 1 | |
Ovalhouse | Ovalhouse | England, London, 52-54 Kennington Oval | 2018-05-17 | 2018-05-19 | 2018 | 1 | |
Obfelden | Obfelden | Switzerland | 2002-04-21 | -- | 2002 | 1 | |
|