Barrios de Ohio O

• Oakley (31)
• Oakwood (1)
• Ohio City (29)
• Old Brooklyn (25)
• Old Dayton (1)
• Old North Columbus (114)
• Old North Dayton (2)
• Old West End (7)
• Olde Orchard (1)
• Olde Sawmill (6)
• Olde Town East (24)
• Olde Town East-Columbus (19)
• Olde Towne (5)
• Olentangy (9)
• Olentangy Commons (3)
• Olentangy High Bluffs (3)
• ONYX (5)
• Oregon (4)
• Ottawa (39)
• Outer Canfield/Poland (5)
• Outer Canton (40)
• Outer Centerville/Kettering (49)
• Outer Dublin/Hilliard (35)
• Outer East Dayton (6)
• Outer East/Tallmadge (3)
• Outer Greater Hilltop (36)
• Outer Northeast (27)
• Outer Northeast Columbus (11)
• Outer Southern Columbus (19)
• Outer Upper Arlington (22)
• Over-The Rhine (24)