Barrios de Ohio O

• Oakley (30)
• Oakwood (1)
• Ohio City (29)
• Old Brooklyn (27)
• Old Dayton (1)
• Old North Columbus (111)
• Old North Dayton (4)
• Old West End (7)
• Olde Orchard (1)
• Olde Sawmill (5)
• Olde Town East (27)
• Olde Town East-Columbus (21)
• Olde Towne (5)
• Olentangy (9)
• Olentangy Commons (2)
• Olentangy High Bluffs (3)
• ONYX (5)
• Oregon (4)
• Ottawa (38)
• Outer Canfield/Poland (5)
• Outer Canton (40)
• Outer Centerville/Kettering (55)
• Outer Dublin/Hilliard (35)
• Outer East Dayton (8)
• Outer East/Tallmadge (3)
• Outer Greater Hilltop (32)
• Outer Northeast (26)
• Outer Northeast Columbus (12)
• Outer Southern Columbus (19)
• Outer Upper Arlington (25)
• Over-The Rhine (25)