Tampa and Knoxville are 670 miles apart. The town of Unadilla, GA is approximately 335 miles from both Tampa and Knoxville. Right smack dab in the middle.
The halfway point between Evensville Tennesee and Knoxville Tennesee is Dogwood Shores Tennessee.
Knoxville, Tennessee is about halfway between these two points.
Knoxville, Tennessee
Overton, Alabama is the halfway point between Knoxville, Tennessee and Mobile, Alabama. The town of Overton is approximately 6 miles from Birmingham, Alabama.
Manchester, Tennessee
Crab Orchard, TN, but I'd stop at Crossville.
Roanake, Virginia is just about half-way.
The halfway point between Hermitage, Tennessee, and Cherryville, North Carolina, is just east of Knoxville on I-40.
Tennessee
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 - Knoxville, Tennessee.
Birmingham, Alabama is halfway between Knoxville & Jackson
Columbia, Jamestown, and Somerset, KY, are all about halfway between Louisville, KY and Knoxville, TN.