The halfway point between Tulsa, OK and Fort Campbell, KY falls in or around Mountain View, MO.
The halfway point between Tulsa, Oklahoma, and Vicksburg, Mississippi, is Conway, Arkansas, if you're going via Fort Smith, Little Rock, and Pine Bluff.
The halfway point between Gulfport, Mississippi and Tulsa, Oklahoma is Varner, Arkansas. There is approximately 564 miles between Tulsa and Gulfport.
Asheville NC
Edwardsville, IL
Des Monien Iowa
Galena, OH
Tulsa, Oklahoma is close to the halfway point and is certainly worthy of a visit.
Urbana, Illinois.
Terre Haute, Indiana
158km is the halfway point between Columbia Sc and Bennettsville sc.
Somewhere near Tulsa, Oklahoma.
The exact halfway point is the corner of Ecorse Road and Middlebelt, but that is on a straight line between Wyandotte and Canton.