The journey from Johnson City to Birmingham covers approximately 340 miles through the Appalachian foothills. You will primarily utilize I-75 South through Knoxville before transitioning to I-59 South in Chattanooga. This route takes roughly 6 hours of driving time depending on traffic near the Chattanooga split. The drive offers scenic views of the Cumberland Plateau as you descend into Alabama. It is a straightforward interstate route with numerous service plazas along the way.
Total Distance: 547 km driving distance and 430 km straight-line air distance.
Avoid the Chattanooga rush hour between 4 PM and 6 PM to save 30 minutes.
Spring and Autumn offer mild temperatures and clear mountain passes.