Regions of Ukraine
- Yosypivka
- Yosypivka
- Osypenko
- Yosypenky
- Osinovo
- Osynove
- Osynivka
- Osykove
- Osikovo
- Osikovata
- Osikova
- Osiki
- Osychna
- Osychna
- Osychky
- Osichina
- Osich
- Oshytky
- Oshykhliby
- Oshchiv
- Osetrivka
- Osetrivka
- Oseshchyna
- Osereby
- Yosypovychi
- Oselivka
- Osekriv
- Osava
- Osadche
- Osa
- Orzhytya Raion
- Orzhytsia
- Orzhytsya
- Orzhiv
- Oriava
- Orvianytsia
- Ortynychi
- Orta-Uzen
- Oriv
- Orlianske
- Orlianka
- Orly
- Orlivka
- Orlovskoye
- Stantsiya Orlovskaya
- Orlivshchyna
- Orlovo-Ivanivka
- Orlove
- Lyubyne
- Orlove
- Charivne
- Orlivka
- Orlivka
- Orlivka
- Orlov
- Orlivka
- Orlivka
- Orlovka
- Orlivka
- Orlivka
- Orlovka
- Orlivka
- Orlovka
- Orlovets
- Orlova Sloboda
- Orlova
- Ostriv Orliv
- Orlivka
- Orlinyy Zalët
- Velyki Orlyntsi
- Orlintsy
- Orlynske
- Orlinoye
- Orlikoyarskiy
- Orlykivka
- Orlyk
- Orlekhuvka
- Orkhovychi
- Orishkovtsy
- Oryshkivtsi
- Oryshchi
- Orynyn
- Oril
- Orestopil
- Orepy
- Orel’ka
- Orilka
- Orel
- Orël
- Orikhiv Raion
- Orekhovskiy
- Petrivka
- Stantsiia Orikhivska
- Balka Orekhova
- Orikhovo-Vasylivka
- Orikhove-Donetske
- Ozero Orikhove
- Orikhove
- Orikhove
- Orikhove
- Orikhivka
- Orikhivka
- Orikhivka
- Orikhivka
- Orekhov Gay
- Orikhovets
- Orekhovets
- Orikhuvatka
- Orekhov
- Orikhiv
- Orekhov
- Oreanda
- Ordzhonikidzevskiy Rayon
- Voznesensk District
- Ordzhonikidzevskiy Rayon
- Romanivka
- Pokrov
- Armashivka
- Ordzhonikidze
- Ordyntsi
- Ordiv
- Ordivka
- Ordintsy
- Ordanivka
- Ordanovka
- Orchyk
- Orchyk
- Orativ Raion
- Orativka
- Stantsiya Oratov
- Orativ
- Stantsiya Orasheny
- Orane
- Orani
- Oradivka
- Opilsko
- Hora Opuk
- Optova
- Opryshovtse
- Opryshky
- Oprysheny
- Opishnya
- Opory
- Oporets
- Opir
- Opolznevoye
- Oplitsko
- Opasnoye
- Oparypsy
- Opalin
- Opaky
- Opaka
- Opachychi
- Onyshkivtsi
- Onyshkivtsi
- Onut
- Onufriyivka Raion
- Onopriivka
- Onufriyivka
- Onufriyivka
- Lobriyivka
- Onorivka
- Onokivtsi
- Onok
- Onytkivtsi
- Onyskove
- Onyshpil
- Onyshky
- Onylove
- Onatskivtsi
- Omyt
- Ometintsy
- Omelianivka
- Omelyanka
- Omel’no
- Omelnyk
- Omelnyk
- Omelnyk
- Ombysh
- Olyka
- Olianytsia
- Vilshynky
- Olishivka
- Vilshany
- Vilshany
- Vyshchi Vilshany
- Vilshany
- Olshanske
- Vilshanka Raion
- Vilshanska Novoselytsia
- Vilshane
- Ol’shanka
- Ol’shanka
- Ol’shanka
- Vilshanka
- Vilshanka
- Vilshanka
- Vilshanka
- Vilshanka
- Vilshanka