Atlanta to Chattanooga: Distance, Drive Time, and the Easiest Ways to Get There
If you’re in Atlanta, Georgia and wondering how far it is to Chattanooga, Tennessee, the trip is closer and simpler than many people expect.
How Far Is Atlanta to Chattanooga?
The distance from downtown Atlanta to downtown Chattanooga is roughly:
- Distance: about 120–130 miles
- Driving time: usually 1 hour 45 minutes to 2 hours 15 minutes, depending on traffic and exact starting point
Most travelers go straight up Interstate 75 North (I‑75 N) and then I‑24 West (I‑24 W) into Chattanooga.
Quick Distance Snapshot
| Route (Typical) | Approx. Distance | Typical Drive Time* | Notes |
|---|---|---|---|
| Downtown Atlanta → Downtown Chattanooga | 120–130 miles | 1 hr 45 min – 2 hr 15 min | Fastest and most common route |
| Hartsfield–Jackson Airport → Chattanooga | 125–135 miles | 2 hr – 2 hr 30 min | Can add time due to airport traffic |
| North Atlanta suburbs (e.g., Marietta) → CHA | 100–115 miles | 1 hr 30 min – 2 hr | Often quicker than from downtown |
*Drive times assume normal highway conditions and no major delays.
Main Driving Route: Atlanta to Chattanooga by Car
For most people in Atlanta, driving is the easiest and fastest way to get to Chattanooga.
Standard Route from Downtown Atlanta
Start on I‑75 North
- From downtown or Midtown, get onto I‑75 N / I‑85 N (the Downtown Connector), then follow the signs for I‑75 North toward Marietta/Chattanooga.
Stay on I‑75 North
- You’ll pass Marietta, Kennesaw, Acworth, and Cartersville.
- Traffic can be heavier during rush hour from downtown up through the northern suburbs.
Near Dalton, GA, merge onto I‑24 West
- Follow signs for I‑24 W toward Chattanooga.
Follow I‑24 West into Chattanooga
- I‑24 brings you directly into the Chattanooga area and connects with other local roads and highways.
When Is the Best Time to Drive?
Atlanta’s traffic patterns matter more than the raw distance.
- Avoid peak rush hours in Atlanta:
- Morning: roughly 6:30 a.m. – 9:30 a.m.
- Evening: roughly 3:30 p.m. – 7:00 p.m.
- If possible, plan to:
- Leave after morning rush (around 9:30–10:00 a.m.), or
- Leave after evening rush if you’re driving later in the day.
💡 Tip: If you’re starting from northern suburbs like Marietta, Sandy Springs, or Roswell, you can often shave 15–30 minutes off the total drive compared to starting in downtown Atlanta.
How the Distance Varies by Starting Point in Atlanta
Atlanta is spread out, and your starting location can make a noticeable difference.
From Major Atlanta Areas
Downtown Atlanta (Five Points/Centennial Olympic Park area)
- ~120–130 miles
- Often around 2 hours in light to moderate traffic.
Midtown Atlanta (around Peachtree St and 10th St)
- Similar distance to downtown, but your route to the interstate may vary slightly.
- Also usually about 2 hours.
Buckhead
- You’ll likely get onto I‑75 N via I‑85 or local surface streets.
- Distance is slightly shorter than from downtown, often just under 2 hours in good conditions.
Northwest suburbs (Marietta, Kennesaw, Acworth)
- Closer to Chattanooga because you’re already on the north side:
- Marietta: roughly 105–115 miles
- Kennesaw: roughly 100–110 miles
- In clear traffic, some trips can be around 1.5 hours.
- Closer to Chattanooga because you’re already on the north side:
Hartsfield–Jackson Atlanta International Airport (ATL)
- The airport is on Atlanta’s south side, so you’ll:
- Take I‑85 N to the Downtown Connector
- Then continue on I‑75 N → I‑24 W
- Typically 125–135 miles and 2–2.5 hours, depending on both airport and city traffic.
- The airport is on Atlanta’s south side, so you’ll:
Other Ways to Travel: Bus, Rideshare, and More
While driving is by far the most common, there are a few other ways to make the Atlanta to Chattanooga trip.
Bus Options
Several intercity bus services commonly operate between Atlanta and Chattanooga:
- Buses usually depart from central Atlanta locations, often near or in downtown.
- Travel times are typically around 2–3 hours, depending on:
- Specific route and stops
- Traffic on I‑75 and I‑24
If you’re coming from elsewhere in metro Atlanta, you may need to use MARTA rail or bus to get downtown first.
Key local transit point:
- MARTA Five Points Station
30 Alabama St SW
Atlanta, GA 30303
(This is the central MARTA rail hub; from here, you can connect to surface streets or local buses to reach bus departure points.)
Rideshare or Taxi
For a long-distance trip like Atlanta to Chattanooga:
- Rideshare (Uber/Lyft) and taxis are technically possible but can be expensive due to the distance.
- This typically makes more sense if:
- You’re splitting the cost among several people, or
- You need a one-way trip at a specific time and don’t want to drive.
If you use rideshare from Hartsfield–Jackson Airport:
- Pickup zones are clearly marked at the airport.
- Expect travel time similar to driving yourself (about 2–2.5 hours, depending on traffic).
Train or Plane Options?
Currently:
- There is no direct passenger train running regularly between Atlanta and Chattanooga.
- Commercial flights between the two cities are uncommon due to the short distance and easy drive.
Most Atlanta travelers simply rely on I‑75 and I‑24.
What to Expect on the Road Between Atlanta and Chattanooga
Even though the question is about distance, knowing the road conditions and scenery helps you plan your drive.
Typical Road Conditions
- The primary route is interstate highway almost the whole way.
- You’ll see a mix of:
- Urban freeway segments near Atlanta
- Suburban and semi-rural stretches through north Georgia
- Some hilly terrain as you approach Chattanooga and the Tennessee state line
Weather can affect travel time, especially:
- Heavy rain or storms
- Fog and low visibility in higher elevations around the Tennessee border
- Occasional construction zones on I‑75 or I‑24
In winter, icy conditions are less common than in many northern states but can still occur, especially in elevated areas near Chattanooga.
Popular Stops Between Atlanta and Chattanooga
If you’re not in a rush, the 120–130 mile trip can easily become a relaxed day drive with one or two stops.
Common Stopover Areas
Marietta/Kennesaw
- Shopping centers, restaurants, and access to Kennesaw Mountain National Battlefield Park.
Cartersville
- Just off I‑75, with multiple fuel, food, and rest options.
- Home to notable museums and small-town main streets.
Calhoun and Dalton
- Convenient exits with gas stations, fast food, and local diners.
- Dalton is one of the last major Georgia towns before Tennessee.
These stops are all right along I‑75 North, so they add minimal extra distance.
If You’re Visiting Atlanta and Heading to Chattanooga
Many visitors use Atlanta as a starting point for a regional road trip, with Chattanooga as an easy add-on.
From Downtown Atlanta Hotels
If you’re staying in or near:
- Downtown (Centennial Olympic Park, State Farm Arena area), or
- Midtown (Peachtree St, major hotels near MARTA stations)
You’ll typically:
- Use local streets to get onto the Downtown Connector (I‑75/85).
- Follow signs for I‑75 North / Chattanooga.
- Stay on I‑75 N, then I‑24 W, directly into Chattanooga.
Travel time will still be in the 1 hour 45 minute to 2 hour 15 minute range for most off-peak trips.
Parking and Rental Cars in Atlanta
If you don’t have your own car:
- There are many rental car agencies around:
- Hartsfield–Jackson Atlanta International Airport
- Major downtown and Midtown hotel districts
Airport rentals can be convenient if you’re flying into Atlanta and planning a same- or next-day drive to Chattanooga.
Key Takeaways for Atlanta Travelers
How far is Atlanta to Chattanooga?
Roughly 120–130 miles from downtown to downtown.How long is the drive?
Typically just under 2 hours to a little over 2 hours, depending mainly on Atlanta traffic.Main route:
I‑75 North → I‑24 West the whole way.Best time to go:
Try to avoid Atlanta rush hours to keep the drive closer to the lower end of the time range.
For anyone living in or visiting Atlanta, Chattanooga is close enough for a day trip or a quick overnight getaway, with a straightforward interstate drive connecting the two cities.