Petering, Ohio
Athens, Ohio
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Oklahoma City, OK
Pineton, Pennsylvania is halfway between Ohio and Asbury
Silver Springs, OH is the halfway point.
Dayton Ohio
Somerset, Pennsylvania is about halfway between Cleveland Ohio and Columbia Maryland
The halfway point between Dallas, Texas and Warren, Ohio is in Centerville, Tennessee.
Cambridge, Ohio is pretty close to halfway.
Halfway between Columbus and Cincinnati
The halfway point between Colerain, Ohio and Crete, Illinois is in RIchmond, Indiana.