The halfway point is Lynn, SD.
Ritzville, WA
The Lone Fir Bar & Grill in Kelso, WA.
White River City, Colorado is the halfway point.
Hawaii
Owanka, SD
Wolf Creek, OR
The halfway point between Alexandria, VA and Spokane, WA falls in or around Rothsay, Minnesota.
Touchdown City, WA
Moab, UT
Saint Onge, SD
Myrtle Creek, Oregon is half way between Santa Rosa ca and Tacoma WA