The halfway points are the points which mark the half distance covered by the flight. These lie in the mid of both the above mentioned places. These points change for different locations. Halfway points for the above mentioned places are Richmond or Berkeley CA.
Using the total miles between the two points, I would have to say somewhere in Contra Costa County... Concord or Martinez.
Richmond or Berkeley ca
Patterson, CA
Avenal is about halfway.
The halfway point between Kingman, AZ and Sacramento, CA falls in or around Keene, CA.
canada
Oak Forest, Arkansas is halfway between Manhattan & Panama City Beach
my house
Williams ca
Ogallala, NE
The halfway point between Monticello, NY and Boynton Beach, Florida is Lumberton, NC.
halfway point between portsmouth nh and palm beach fl
One halfway point between Middleton, WI and Cocoa Beach, Florida is Shorewood, TN.
The halfway point between Tampa and Palm Beach Gardens falls in Okeechobee, Florida.
One halfway point between Milford, PA and Virginia Beach, VA is Kitts Hummock, Delaware. You could also consider Baltimore, MD a halfway point.
The halfway point is Job, WV.