Barrios de Ohio O

• Oakley (29)
• Ohio City (28)
• Old Brooklyn (24)
• Old Dayton (3)
• Old North Columbus (142)
• Old North Dayton (9)
• Old West End (10)
• Olde Orchard (1)
• Olde Sawmill (5)
• Olde Town East (31)
• Olde Town East-Columbus (20)
• Olde Towne (9)
• Olentangy (7)
• Olentangy Commons (3)
• Olentangy High Bluffs (1)
• ONYX (5)
• Oregon (4)
• Oriole Heights (1)
• Ottawa (52)
• Outer Campbell/Struthers (1)
• Outer Canfield/Poland (6)
• Outer Canton (41)
• Outer Centerville/Kettering (49)
• Outer Dublin/Hilliard (31)
• Outer East Dayton (8)
• Outer East/Tallmadge (4)
• Outer Greater Hilltop (32)
• Outer Northeast (20)
• Outer Northeast Columbus (13)
• Outer Southern Columbus (22)
• Outer Upper Arlington (24)
• Over-The Rhine (85)