Barrios de Ohio O

• Oak Hill (2)
• Oakley (28)
• Ohio City (36)
• Old Brooklyn (34)
• Old Dayton (3)
• Old North Columbus (65)
• Old North Dayton (7)
• Old West End (10)
• Olde Orchard (2)
• Olde Sawmill (8)
• Olde Town East (24)
• Olde Town East-Columbus (31)
• Olde Towne (1)
• Olentangy (8)
• Olentangy Commons (2)
• Olentangy High Bluffs (1)
• ONYX (13)
• Oregon (4)
• Oriole Heights (1)
• Ottawa (34)
• Ottawa Hills (3)
• Outer Canfield/Poland (4)
• Outer Canton (52)
• Outer Centerville/Kettering (53)
• Outer Dublin/Hilliard (37)
• Outer East Dayton (7)
• Outer East/Tallmadge (6)
• Outer Greater Hilltop (34)
• Outer Northeast (19)
• Outer Northeast Columbus (20)
• Outer Southern Columbus (15)
• Outer Upper Arlington (34)
• Over-The Rhine (69)