Ukraine

Olyshivka

Chernihivska

Onatski

Poltavska

Onokivtsi

Zakarpatska

Onufriyivka

Kirovohradska

Opishnia

Poltavska

Orativ

Vinnytska

Ordzhonikidze

Dnipropetrovska

Ordzhonikidze

Autonomous Republic of Crimea

Orekhovo

Autonomous Republic of Crimea

Orikhiv

Zaporizka

Orlinoye

Sevastopol

Orlovskoye

Autonomous Republic of Crimea

Orzhiv

Rivnenska

Orzhytsia

Poltavska

Ostanino

Autonomous Republic of Crimea

Oster

Chernihivska

Ostroh

Rivnenska

Ostrovskoye

Autonomous Republic of Crimea

Ostroz’ka Mis’krada

Rivnenska

Osypenko

Zaporizka

Otyniya

Ivano-Frankivska

Ovidiopol

Odeska

Ovruch

Zhytomyrska

Ovruch

Poltavska