Sarona, WI
Franklin, MN is the halfway point.
Western Nebraska.
Culiver, Missouri is halfway between Greenwood & Apple Valley
Giese, Minnesota
Normal, IL
Trimbelle, Wisconsin.
A good halfway point between these two locations is Paducah Kentucky.
Because you did not specify destination cities our routing the halfway point is based on a trip from Beaver MN, the last town on I94 in MN The destination is Ontario on the Oregon Idaho border on I84 The halfway point is Bighorn National Forest near Greybull Wyoming
Forsyth, MT
Roughly speaking, Wisconsin Dells, WI
Milan, OH
Rawlins, WY