Cities starting with O
535 cities with live local time.
| City | Country | Local time | Time zone | Population |
|---|---|---|---|---|
| Orhangazi | Türkiye | Europe/Istanbul | 51,792 | |
| Orhei | Moldova | Europe/Chisinau | 24,918 | |
| Oria | Spain | Europe/Madrid | 17,842 | |
| Orihuela | Spain | Europe/Madrid | 86,164 | |
| Orikhiv | Ukraine | Europe/Kyiv | 17,287 | |
| Orillia | Canada | America/Toronto | 30,178 | |
| Orinda | United States | America/Los_Angeles | 19,279 | |
| Orion | Philippines | Asia/Manila | 46,991 | |
| Oristano | Italy | Europe/Rome | 24,641 | |
| Orita Eruwa | Nigeria | Africa/Lagos | 71,027 | |
| Oriximiná | Brazil | America/Santarem | 35,581 | |
| Orizaba | Mexico | America/Mexico_City | 120,844 | |
| Orkney | United Kingdom | Europe/London | 20,100 | |
| Orkney | South Africa | Africa/Johannesburg | 145,801 | |
| Orland Park | United States | America/Chicago | 58,619 | |
| Orlândia | Brazil | America/Sao_Paulo | 44,766 | |
| Orlando | United States | America/New_York | 270,934 | |
| Orleans | Brazil | America/Sao_Paulo | 16,422 | |
| Orléans | France | Europe/Paris | 124,149 | |
| Orlová | Czechia | Europe/Prague | 34,282 | |
| Orlovskiy | Russia | Europe/Moscow | 19,325 | |
| Orly | France | Europe/Paris | 20,528 | |
| Ormeau | Australia | Australia/Brisbane | 15,938 | |
| Ormoc | Philippines | Asia/Manila | 191,200 | |
| Ormond Beach | United States | America/New_York | 40,970 | |
| Ormskirk | United Kingdom | Europe/London | 24,073 | |
| Örnsköldsvik | Sweden | Europe/Stockholm | 32,493 | |
| Oro Valley | United States | America/Phoenix | 43,565 | |
| Orodara | Burkina Faso | Africa/Ouagadougou | 33,422 | |
| Oroqen Zizhiqi | China | Asia/Shanghai | 61,582 | |
| Oroquieta | Philippines | Asia/Manila | 39,279 | |
| Orós | Brazil | America/Sao_Paulo | 16,328 | |
| Orosháza | Hungary | Europe/Budapest | 31,373 | |
| Oroszlány | Hungary | Europe/Budapest | 20,271 | |
| Oroville | United States | America/Los_Angeles | 16,260 | |
| Orpington | United Kingdom | Europe/London | 15,248 | |
| Orsay | France | Europe/Paris | 17,817 | |
| Orsha | Belarus | Europe/Minsk | 125,347 | |
| Orsk | Russia | Asia/Yekaterinburg | 246,836 | |
| Orta di Atella | Italy | Europe/Rome | 24,750 | |
| Orta Nova | Italy | Europe/Rome | 16,677 | |
| Ortaca | Türkiye | Europe/Istanbul | 19,741 | |
| Ortahisar | Türkiye | Europe/Istanbul | 317,520 | |
| Ortaköy | Türkiye | Europe/Istanbul | 31,144 | |
| Orūmīyeh | Iran | Asia/Tehran | 577,307 | |
| Oruro | Bolivia | America/La_Paz | 208,684 | |
| Orust | Sweden | Europe/Stockholm | 15,392 | |
| Orvault | France | Europe/Paris | 25,338 | |
| Orzesze | Poland | Europe/Warsaw | 18,438 | |
| Osa | Russia | Asia/Yekaterinburg | 23,292 | |
| Osaka | Japan | Asia/Tokyo | 2,592,413 | |
| Ōsaka-sayama Shi | Japan | Asia/Tokyo | 58,435 | |
| Ōsaki | Japan | Asia/Tokyo | 127,330 | |
| Osan | South Korea | Asia/Seoul | 158,978 | |
| Osasco | Brazil | America/Sao_Paulo | 677,856 | |
| Oschatz | Germany | Europe/Berlin | 16,000 | |
| Oschersleben | Germany | Europe/Berlin | 17,900 | |
| Osh | Kyrgyzstan | Asia/Bishkek | 200,000 | |
| Oshakati | Namibia | Africa/Windhoek | 33,618 | |
| Oshawa | Canada | America/Toronto | 308,875 | |
| Oshkosh | United States | America/Chicago | 66,555 | |
| Oshnaviyeh | Iran | Asia/Tehran | 50,661 | |
| Oshodi-Isolo | Nigeria | Africa/Lagos | 1,621,789 | |
| Ōshū | Japan | Asia/Tokyo | 112,937 | |
| Osijek | Croatia | Europe/Zagreb | 88,140 | |
| Osimo | Italy | Europe/Rome | 16,610 | |
| Osinniki | Russia | Asia/Novokuznetsk | 48,919 | |
| Oskarshamn | Sweden | Europe/Stockholm | 18,287 | |
| Osku | Iran | Asia/Tehran | 18,459 | |
| Oslo capital | Norway | Europe/Oslo | 580,000 | |
| Osmanabad | India | Asia/Kolkata | 85,521 | |
| Osmancık | Türkiye | Europe/Istanbul | 36,443 | |
| Osmaneli | Türkiye | Europe/Istanbul | 15,708 | |
| Osmaniye | Türkiye | Europe/Istanbul | 202,837 | |
| Osnabrück | Germany | Europe/Berlin | 166,462 | |
| Osny | France | Europe/Paris | 16,545 | |
| Osogbo | Nigeria | Africa/Lagos | 156,694 | |
| Osório | Brazil | America/Sao_Paulo | 34,628 | |
| Osorno | Chile | America/Santiago | 135,773 | |
| Osøyro | Norway | Europe/Oslo | 15,281 | |
| Oss | Netherlands | Europe/Amsterdam | 76,430 | |
| Ossett | United Kingdom | Europe/London | 21,616 | |
| Ossining | United States | America/New_York | 25,441 | |
| Ostashkov | Russia | Europe/Moscow | 19,563 | |
| Ostend | Belgium | Europe/Brussels | 69,011 | |
| Osterholz-Scharmbeck | Germany | Europe/Berlin | 31,405 | |
| Osterode am Harz | Germany | Europe/Berlin | 21,474 | |
| Östersund | Sweden | Europe/Stockholm | 49,806 | |
| Ostfildern | Germany | Europe/Berlin | 33,598 | |
| Ostrava | Czechia | Europe/Prague | 313,088 | |
| Ostróda | Poland | Europe/Warsaw | 33,524 | |
| Ostrogozhsk | Russia | Europe/Moscow | 34,403 | |
| Ostrołęka | Poland | Europe/Warsaw | 53,740 | |
| Ostrov | Czechia | Europe/Prague | 17,206 | |
| Ostrov | Russia | Europe/Moscow | 24,500 | |
| Ostrów Mazowiecka | Poland | Europe/Warsaw | 22,653 | |
| Ostrów Wielkopolski | Poland | Europe/Warsaw | 72,898 | |
| Ostrowiec Świętokrzyski | Poland | Europe/Warsaw | 73,989 | |
| Ostuncalco | Guatemala | America/Guatemala | 28,894 | |
| Ostuni | Italy | Europe/Rome | 24,157 |