The fair place to meet is Raleigh-Durham, NC — the city closest to the midpoint of Atlanta and Charlotte. From the farther side that’s about 7 hr 27 min of driving.
Recommended midpoint
Raleigh-Durham, NC
From Atlanta
7 hr 27 min
355 mi to Raleigh
From Charlotte
3 hr 15 min
130 mi to Raleigh
Charlotte has the shorter trip; the split is off by about 4 hr 12 min. The alternatives below can even it out. Atlanta and Charlotte are about 226 miles apart.
Atlanta and Charlotte are about 226 miles apart by road. Split the difference and you arrive near Raleigh, the city closest to the halfway point between them. That puts roughly 7 hr 27 min of driving on the Atlanta side and 3 hr 15 min on the Charlotte side — the fairest single meeting point among the cities near the middle.
At this range, Raleigh works for a same-day meetup: close enough from both Atlanta and Charlotte to meet for lunch or an afternoon and still be home by evening.
If Raleigh doesn't have what you're after, Birmingham and Nashville are also close to the midpoint and worth a look — each keeps the drive reasonably balanced between Atlanta and Charlotte.
Raleigh is the capital city of the U.S. state of North Carolina. It is the second-most populous city in the state, tenth most populous city in the Southeast, the largest city in the Research Triangle area, and the 39th-most populous city in the U.S. Read more →
Atlanta is the capital and most populous city of the U.S. state of Georgia. It is the county seat of Fulton County and extends into neighboring DeKalb County. Read more →
Charlotte is the most populous city in the U.S. state of North Carolina. With a population of 874,579 at the 2020 census, it is the 14th-most populous city in the U.S., seventh-most populous city in the South, and second-most populous city in the Southeast. Read more →
City descriptions adapted from Wikipedia (CC BY-SA); photos via Wikimedia Commons, credited above.
Estimates use straight-line distance and typical road speeds; real drive times vary with route and traffic.