Barrios de Ohio O

• Oak Hill (7)
• Oakley (31)
• Ohio City (39)
• Old Brooklyn (31)
• Old Dayton (3)
• Old North Columbus (131)
• Old North Dayton (7)
• Old West End (14)
• Olde Orchard (2)
• Olde Sawmill (8)
• Olde Town East (33)
• Olde Town East-Columbus (37)
• Olde Towne (2)
• Olentangy (6)
• Olentangy Commons (4)
• Olentangy High Bluffs (2)
• ONYX (10)
• Oregon (7)
• Oriole Heights (1)
• Ottawa (28)
• Outer Campbell/Struthers (5)
• Outer Canfield/Poland (3)
• Outer Canton (65)
• Outer Centerville/Kettering (62)
• Outer Dublin/Hilliard (39)
• Outer East Dayton (6)
• Outer East/Tallmadge (7)
• Outer Greater Hilltop (38)
• Outer Northeast (26)
• Outer Northeast Columbus (19)
• Outer Southern Columbus (33)
• Outer Upper Arlington (40)
• Over-The Rhine (58)