The fair place to meet is Columbus, OH — the city closest to the midpoint of Nashville and Philadelphia. From the farther side that’s about 8 hr 42 min of driving.
Recommended midpoint
Columbus, OH
From Nashville
6 hr 59 min
333 mi to Columbus
From Philadelphia
8 hr 42 min
415 mi to Columbus
Nashville has the shorter trip; the split is off by about 1 hr 43 min. The alternatives below can even it out. Nashville and Philadelphia are about 683 miles apart.
Nashville and Philadelphia are about 683 miles apart by road. Split the difference and you arrive near Columbus, the city closest to the halfway point between them. That puts roughly 6 hr 59 min of driving on the Nashville side and 8 hr 42 min on the Philadelphia side — the fairest single meeting point among the cities near the middle.
That's a half-day drive from each side, so Columbus suits an overnight or a weekend rather than a quick coffee — long enough to want a reason to stay, short enough to drive.
If Columbus doesn't have what you're after, Pittsburgh and Charlotte are also close to the midpoint and worth a look — each keeps the drive reasonably balanced between Nashville and Philadelphia.
Columbus is the capital and most populous city of the U.S. state of Ohio. With a population of 905,748 at the 2020 census, it is the 14th-most populous city in the U.S., second-most populous city in the Midwest, and third-most populous U.S. state capital. Read more →
Nashville is the capital and most populous city in the U.S. state of Tennessee. It is the seat of Davidson County in Middle Tennessee, located on the Cumberland River. Read more →
Philadelphia, colloquially referred to as Philly, is the most populous city in the U.S. state of Pennsylvania and the sixth-most populous city in the United States. Its population was 1.60 million at the 2020 census and estimated at 1.57 million in 2025. 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.