Ucrânia
Países do mundo
O
- (Pokrovsk Raion) Orlivka
- (Starobilskyi Raion) Orikhove
- (Iziumska Miskrada) Oleksandrivka
- (Synelnykove Raion) Okhotnyche
- (Starobilskyi Raion) Oleksiivka
- (Zolotonosha Raion) Ostapivka
- (Lubny Raion) Osavulshchyna
- (Lubny Raion) Orzhytsia
- (Poltava Raion) Ochkanivka
- (Poltava Raion) Odariukivka
- (Poltava Raion) Odradivka
- (Kremenchuk Raion) Osokory
- (Myrhorod Raion) Ohyrivka
- (Lubny Raion) Orlykivshchyna
- (Lubny Raion) Orikhivshchyna
- (Myrhorod Raion) Osove
- (Bohodukhivskyi Raion) Olenivske
- (Bohodukhivskyi Raion) Ocheretove
- (Bohodukhivskyi Raion) Odrada
- (Bohodukhivskyi Raion) Oliinyky
- (Bohodukhivskyi Raion) Osnovyntsi
- (Poltava Raion) Olefirshchyna
- (Poltava Raion) Olepiry
- (Poltava Raion) Onatsky
- (Bohodukhivskyi Raion) Oleksandrivka
- (Chuhuiv City Council) Osykovyi Hai
- (Kharkiv City Council) Oleshky
- (Bohodukhivskyi Raion) Orishanka
- (Sumskyi Raion) Oblohy
- (Sumskyi Raion) Ovdianske