Ok, this is the route I've quickly mapped out from Knoxville, TN to Orange, TX.
Leg 1-Knoxville, TN to Chattanooga, TN
109 miles, 1 hour 50 minutes
Leg 2-Chattanooga, TN to Gadsden, AL
95 miles, 1 hour 42 minutes
Leg 3-Gadsden, AL to Birmingham, AL
61 miles, 1 hour 2 minutes
Birmingham, AL to Tuscaloosa, AL
116 miles, 1 hour 51 minutes (PROBABLY NEED AN OVERNIGHT AROUND HERE)
Tuscaloosa, AL to Meridian, MS
96 miles, 1 hour 35 minutes
Meridian, MS to Hattiesburg, MS
91 miles, 1 hour 36 minutes
Hattiesburg, MS to Slidell, LA
80 miles, 1 hour 18 minutes
Slidell, LA to Baton Rouge, LA
89 miles, 1 hour 28 minutes
Baton Rouge, LA to Egan, LA
86 miles, 1 hours 28 minutes
Egan, LA to Orange, TX
79 miles, 1 hour 22 minutes