List of cities with the letter O 10 letters in the city name. Cities starting with the first letter O 10 letters in the name.
| Name of the city in O 10 letters | Country |
|---|---|
| Orland Park | City in United States of America (USA) 10 letters on O |
| Oconomowoc | City in United States of America (USA) 10 letters on O |
| Olenegorsk | City in Russia 10 letters on O |
| Old Kupavna | City in Russia 10 letters on O |
| owariasahi | City in Japan 10 letters on O |
| Obanadzava | City in Japan 10 letters on O |
| Oberhausen | City in Germany 10 letters on O |
| Ouled Yaïch | City in Algeria 10 letters on O |
| Ouarzazate | City in Morocco 10 letters on O |
| Ouahigouya | City in Burkina Faso 10 letters on O |
| Ouzel-Rosu | City in Romania 10 letters on O |
| Of the Faget | City in Romania 10 letters on O |
| Ocnele Mari | City in Romania 10 letters on O |
| Oudenaarde | City in Belgium 10 letters on O |
| Otrokovice | City in Czech Republic 10 letters on O |
| Okersberga | City in Sweden 10 letters on O |
| Oskarshamn | City in Sweden 10 letters on O |
| Osipovichi | City in Belarus 10 letters on O |
| Orimattila | City in Finland 10 letters on O |
| Okahandja | City in Namibia 10 letters on O |
| Ochamchira | City in Abkhazia 10 letters on O |