Obertyn
Ivano-Frankivsk Oblast
Obodivka
Vinnytsya Oblast
Obroshyne
Lviv Oblast
Obukhiv
Kiev
Obukhivka
Dnipropetrovsk Oblast
Ochakiv
Mykolayiv Oblast
Odessa
Okhotnikovo
Crimea
Okhotskoye
Okhtyrka
Sumy
Okny
Oktyabr'skoye
Oktyabr’skoye
Okunevka
Oleksandrivka
Donetsk Oblast
Kirovohrad Oblast
Oleksandriya
Oleksandriyske
Oleksiyivka
Oleksiyvka
Chernivtsi Oblast
Olenevka
Oleshky
Kherson Oblast
Oleshnyk
Transcarpathia
Olesko
Olevs’k
Zhytomyr
Olshanske
Olyka
Volyn
Olyshivka
Chernihiv
Onokivtsi
Onufriyivka
Opishnya
Poltava Oblast
Oprysheny
Orativ
Ordzhonikidze
Orekhovo
Orikhiv
Zaporizhzhya Oblast
Orikhivka
Orlinoye
Sevastopol City
Orlivka
Orlovskoye
Orshivtsi
Orzhiv
Rivne
Orzhytsya
Oshykhliby
Ostanino
Oster
Ostrivne
Ostroh
Ostrovskoye
Ostrytsya
Osychky
Osypenko
