List of cities with the letter O 5 letters in the city name. Cities starting with the first letter O 5 letters in the name.
| Name of the city in O 5 letters | Country |
|---|---|
| Omaha | City in United States of America (USA) 5 letters on O |
| Ozark | City in United States of America (USA) 5 letters on O |
| Okara | City in Pakistan 5 letters on O |
| Onega | City in Russia 5 letters on O |
| Ocher | City in Russia 5 letters on O |
| Orlov | City in Russia 5 letters on O |
| Osaka | City in Japan 5 letters on O |
| Ogaki | City in Japan 5 letters on O |
| Oyama | City in Japan 5 letters on O |
| Osaka | City in Japan 5 letters on O |
| Otaru | City in Japan 5 letters on O |
| Omuta | City in Japan 5 letters on O |
| onojo | City in Japan 5 letters on O |
| Omura | City in Japan 5 letters on O |
| Odate | City in Japan 5 letters on O |
| Ogori | City in Japan 5 letters on O |
| Okawa | City in Japan 5 letters on O |
| Oyabe | City in Japan 5 letters on O |
| Obama | City in Japan 5 letters on O |
| Omata | City in Japan 5 letters on O |
| Otake | City in Japan 5 letters on O |
| Ovase | City in Japan 5 letters on O |
| Ozalp | City in Turkey 5 letters on O |
| Opole | City in Poland 5 letters on O |
| Oujda | City in Morocco 5 letters on O |
| Oruro | City in Bolivia 5 letters on O |
| Opava | City in Czech Republic 5 letters on O |
| Ovar | City in Portugal 5 letters on O |
| Ourém | City in Portugal 5 letters on O |
| Orta | City in Portugal 5 letters on O |
| Oghuz | City in Azerbaijan 5 letters on O |
| Orsha | City in Belarus 5 letters on O |
| Olten | City in Switzerland 5 letters on O |
| Oslo | City in Norway 5 letters on O |
| Odda | City in Norway 5 letters on O |
| Orhei | City in Moldova 5 letters on O |
| Otach | City in Moldova 5 letters on O |
| Ölgii | City in Mongolia 5 letters on O |
| Ombue | City in Gabon 5 letters on O |
| Ohrid | City in North Macedonia 5 letters on O |
| Osilo | City in East Timor 5 letters on O |